Fuel Gauge not accurate on GM Vehicles?


  • Owners of GM vehicles are reported problems with their fuel gauges reading low when the tank is full, or giving erratic readings. Start your diagnosis by checking the electrical connector to the fuel tank sending unit. The electrical harness should be visible near the right (passenger side) rear floor.

How do I reset my GM fuel gauge?

How to Reset a Fuel Gauge

  1. Turn the ignition switch to the ‘On’ position.
  2. Press the ‘Odo/Trip’ button until the odometer is put into ‘ODO’ mode.
  3. Turn off the ignition.
  4. Press and hold the ‘Odo/Trip’ button.
  5. Release the ‘Odo/Trip’ button.

Why is my fuel gauge not accurate?

An inaccurate fuel tank reading is most commonly caused by the sending system which reads the fuel tank level and sends the reading to the gauge. Issues can also stem from a bad gauge, blown fuses, or corroded wiring. You can self-test all of these parts at home with a few tools.

Can you calibrate fuel gauge?

How do you calibrate a fuel gauge? To calibrate a fuel gauge, you need to power on your gauge. From there, you need to put the gauge in calibration mode by pushing its button for about 10 seconds. Cycle through the ohm level range by clicking the button.

How do you test a GM fuel gauge?

Turn on the engine’s ignition and probe with a multimeter between the ground and the positive terminal on the back of the gauge; it should be marked with a “+” or an “I.” If there is no voltage then the fault is in the ignition circuit—and the gauge is probably good.

What does po463 mean?

What Does P0463 Mean? The P0463 code is triggered when your vehicle’s powertrain control module (PCM) detects inaccurate fuel level readings from the fuel level sensor. The fuel level sensor alerts the PCM of the amount of fuel in the fuel tank.

Why is my gas gauge going up slowly?

When the ignition is switched on, the current flow causes the wire to heat up. It takes time to heat, so the gauge moves slowly. Its advantage is that when you go around a corner or hit a small bump on the road, the fuel sloshing in the tank won’t make the gauge needle jump all around the gauge.

Why does my fuel gauge bounce around?

If your fuel level gauge stays still when the car is still, the problem is due to sloshing fuel in the tank. When the fuel is moving around, it is moving the float up and down on the sender, which causes the gauge to respond by moving back and forth.

Why does my fuel gauge read backwards?

The first step would be to make sure that you have the proper ohm range fuel sender to match your gauges. If the float arm is installed on the other side the gauge will read backwards. Also if the rheostat is installed upside down the gauge will read backwards.

How do you calibrate a centroid fuel sender?

1) Have the sender in a full tank or container of the appropriate liquid and wired normally to the gauge, with the ignition switch OFF; 2) have the jumper applied; 3) have someone turn the ignition switch ON and count the Full seconds listed above, at which point you remove the jumper; 4) the reading should bounce

What is fuel gauge calibration?

N. If fuel gauge recalibration is needed, the red LED on a calibrating charger will flash upon insertion of the battery. This provides feedback on the accuracy of the fuel gauge and avoids unnecessary calibration cycles. The user can either calibrate the fuel gauge and charge the battery, or just charge the battery.

How do you tell how much gas you have if your gas gauge is broken?

Originally Answered: How do you tell how much gas you have if your gas gauge is broken? You have to fill the tank and estimate the MPG your vehicle gets, and then keep track of your mileage and do the math to know when you’re getting low.

Fuel Gauge not accurate on GM Vehicles

A issue has been reported by owners of General Motors cars with their fuel gauges indicating low while the tank is full or producing irregular readings. Check the electrical connector that connects the gasoline tank sending unit as the first step in your diagnosis. The electrical harness should be visible towards the right rear floor of the vehicle (passenger side). Ensure that the
harness is free of cuts and scratches before connecting it to the electrical connection. Unlatch the connector and look for rust on the inside.

Examine the resistance of both wires that connect to the fuel level transmitting device, and then make a note of it.

It is possible that the connections are good, but the ohm measurements are incorrect, indicating a faulty fuel level sending device.

However, General Motors has now released a Technical Service Bulletin (TSB) on this subject that applies to ALL GM cars and attributes the increased incidence of sending unit failures to high sulfur levels in gasoline.

This problem was addressed by GM with the introduction of a fuel tank additive.

The additive removes sulfur corrosion from the transmitting unit and prevents new corrosion from occurring by forming a protective coating on the surface of the unit.

Rick Muscoplat was born in the year 2012.

Newest General Motors Vehicle Recall: Defective Fuel Gauges

General Motors (GM) has announced another another car recall, bringing the total number of recalls to nine. In this most recent instance, defective fuel meters were found in General Motors SUVs. It is possible that you will run out of gas if you own a Chevrolet Traverse, Buick Enclave, or GMC Acadia (model year 2014) due to an erroneous fuel gauge in your vehicle. But, more importantly, an incorrect reading on the fuel gauge might result in a car collision. Drivers who run out of petrol may experience a sudden stalling.

Even worse, a software glitch may cause it to be off by as much as one quarter of a tank, which would be a significant inconvenience.

Vehicle owners can have their cars fixed by a General Motors dealership in their area.

You may also report a car safety concern to the National Highway Traffic Safety Administration (NHTSA) online at their vehicle safety website:. To file a complaint, go to the Defects and Recalls area of the main page and select ‘File a Complaint.’

Recap on 2014 General Motors Vehicle Recalls

Even though it is just the middle of 2014, General Motors has issued a number of recalls. One of them included 64,000 Cadillac XTS Sedans from model years 2013 and 2014, which were impacted by a braking system plug that might come loose and create a short circuit. A second recall included 303,000 GMC Savana and Chevrolet Express vans from model years 2009 to 2014, according to the manufacturer. The material utilized in the instrument panel does not comply with federal safety regulations. A broader recall involving 1.8 million SUVs includes models from the following years:

  • GMC Acadias from 2008 to 2013, Chevrolet Traverses from 2009 to 2013, and Saturn Outlooks from 2008 to 2010.

The issue derives from the fact that side airbags may fail to activate in the event of a collision. A government inquiry into the manufacturer was launched following the greatest recall, though. There had been a malfunction in the ignition switches for more than 10 years, and the manufacturer was aware of it. Faulty ignition switches may cause vehicles to unexpectedly shut off. However, it wasn’t until February of this year that General Motors issued a recall. It then increased the scope of the recall in response to a malfunctioning ignition lock cylinder.

  • Chevrolet Cobalt (model years 2005-2010) and HHR (model years 2006-2011)
  • Pontiac G5 (model years 2007-2010) and Solstice (model years 2006-2010)
  • Saturn Ion (model years 2003-2007) and Sky (model years 2007-2010)
  • Buick Regal (model years 2003-2007)
  • And Honda Accord (model years 2003-2010).

Several accidents have been caused by faulty ignition switches. However, the flaw has also been connected to the deaths of 13 people.

What These Recalls Could Mean for GM Owners

When an automaker is forced to recall a vehicle due to a safety-related problem, the company must give a free repair to the public. Owners of General Motors vehicles should expect to receive a notification outlining the problem and the proposed solution. Consequently, the dealership will reprogram the engine control modules in this situation. Others may be able to file legal claims if a faulty car – whether manufactured by General Motors or another automaker – was the cause of their accident and resulted in injuries.

If you have been injured in a car accident in Indiana and feel that the accident was caused by a faulty vehicle, you should consult with an attorney at Hensley Legal Group.

UPDATE (5/21):

Another wave of recalls struck the market in mid-May, with two announcements coming less than a week apart from one another. On May 14, three million cars were recalled for five different concerns, and on May 20, an additional 2.4 million vehicles were recalled for three new issues, as well as an addition of 1 million vehicles to the recall for gearbox shift indicator cables that was issued on April 29. The following items are being recalled on May 14th:

  • 2014 Chevrolet Malibuses were recalled for having defective brake boosts
  • 2014 Cadillac CTSes were recalled for having defective windshield wipers
  • And 2005-2007 Chevrolet Corvettes were recalled for having defective low beam headlights. 2014 Chevrolet Silverados and 2015 Chevrolet Tahoes were recalled due to faulty steering tie-rods
  • 2004-2012 Chevrolet Malibus, 2004-2007 Malibu Maxxs, 2005-2010 Pontiac G6s, and 2007-2010 Saturn Auras were recalled due to faulty brake lamps
  • And 2014 Chevrolet Silverados and 2015 Chevrolet Tahoes were recalled due to faulty steering tie-rods.

The following items are being recalled on May 20th:

  • Chevrolet Malibus and Maxxs, 2007-2008 Saturn Auras, 2005-2008 Pontiac G6s, and 2004-2008 Chevrolet Malibus and Maxxs were added to the recall on April 29th for defective transmission shift indicator cables
  • 2009-2014 Buick Enclaves, Chevrolet Traverses, and GMC Arcadia full-size crossover SUVs, as well as 2009-2010 Saturn Outlooks, for defective safety lap belt cables
  • 2015 Cadillac Escalades and Escalade ESV

Trailblazer’s Gas Gauge Flip-flops More Than a Politician in Election Season

When it comes to General Motors vehicles, one of the most well-known issues is a broken fuel gauge, which frequently leaves owners wondering how much petrol is left in their tank. Whether the gauge indicates empty after a fill-up or full when the car is actually driving on fumes, one thing is certain: something is fundamentally wrong with the vehicle in question.

The problem affects more than 30 General Motors models, although the problem is most prevalent in the following cars in particular:

  • From 2003 to 2007, Chevrolet Trailblazer
  • From 2005 to 2007, Buick Rainier
  • From 2003 to 2007, GMC Envoy
  • And from 2005 to 2007, Saab 9-7X

Two Possible Problems For the Price of One∞

Because, let’s face it, you knew it couldn’t be that simple, there are two probable failure locations for this fuel gauge issue. The challenge is figuring out which fault (if any) is causing your automobile to malfunction (if not both). (You’re quite fortunate.)

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Instrument Cluster Failure∞

Many General Motors vehicles suffer from a malfunctioning instrument cluster, which is a typical problem. This is especially true in automobiles that have a higher mileage. The problem is caused by faulty drive motors that fizzle out on the circuit board as a result of wear and tear. Because of the general nature of the problem, repairs are occasionally covered under warranty if your car has less than 70k miles on it and you are really adept at jumping through hoops. You know, like excellent as in circus-worthy.

So, if your fuel gauge is not working properly, check to see if any of the other gauges, such as the speedometer or the engine temperature reading, are malfunctioning.

Fuel Level Sensor Failure∞

Having a defective instrument cluster is a typical problem with many General Motors cars. Especially in the case of automobiles with greater mileage. Defective drive motors that fizzle out on the circuit board over time are the source of the problem. Given the prevalence of this problem, repairs are occasionally covered under warranty if your car has less than 70k miles on it and you’re really adept at leaping through hoop after hoop. In other words, it’s like excellent as a circus. This indicates that more than one gauge is malfunctioning in your car, which is likely the case.

A Government Investigation∞

In May 2011, the National Highway Traffic Safety Administration launched an investigation into the 2005-2007 Trailblazer, as well as the GMC Envoy, Buick Rainier, and Saab 9-7X. In this case, the examination focused on ‘defective fuel meters that provide inaccurate fuel level readings.’ 58 events were reported to have occurred as a result of a vehicle stall, according to the National Highway Traffic Safety Administration’s defect investigation summary. In addition, 43 complaints noted that the vehicle stalled because the fuel level reading showed that more petrol was available than was really present in the fuel tank.

The vehicle was then hit from behind.

The National Highway Traffic Safety Administration (NHTSA) only makes recalls in the case of a safety flaw, and stalling out in the middle of the highway because your fuel gauge is malfunctioning appears to me to be a safety concern.

Let’s have a look: ‘the state of being free from suffering or inflicting harm, injury, or loss’ ‘the state of being free from suffering or causing harm, injury, or loss’ No, I completely understand what you’re saying.

Evidently, the National Highway Traffic Safety Administration (NHTSA) need a language lesson.

  1. The National Highway Traffic Safety Administration (NHTSA) is an abbreviation for the National Highway Traffic Safety Administration
  2. Source:NHTSA
  3. Merriam-definition Webster’s of safety

Troubleshooting Your Chevy Truck Gas Gauge Failure – Chevy Trucks Blog

The following replacement parts are available: Tank Sending Unit Unit in Charge of Sending Float around in the water (only if not replacing the full unit) Voltage Regulator is an abbreviation for Voltage Regulator. The majority of gas tank units are composed of two components: a gas gauge located in the dash and a tank sender mounted in the tank. The troubleshooting instructions that follow are for the AC-type fuel gauge, which is one of the most commonly seen types of units on the road. Your service manual will provide you with any additional instructions that may be required for your specific type of gasoline gauge, if any.

The gas gauge is made up of two tiny coils that are spaced 90 degrees apart and are connected by an armature.

T he tank sender unit (which is simply a resistance unit) is mounted to the outside of the gas tank (with the float on the inside, of course) and is composed of a metal housing that contains a resistance unit (which is nothing more than a rheostat) and a brush that comes into contact with the resistance unit.

  1. The amount of gasoline in the gas tank determines how far the float arm may move in a given direction.
  2. Because of this, the resistance of the tank unit fluctuates, altering the amount of current flowing through the gauge unit coils, which in turn causes the needle to wander between the coils.
  3. Because of this, the instruments are protected from the impacts of fluctuating battery and generator voltage.
  4. Locate the regulator most likely by following the power lines that come from the instrumentation.
  5. There should be no dirt or corrosion on any of the electrical connections, and all connections should be clean and tight.
  6. As an example, if the gas gauge needle remains on the ’empty’ position even after the ignition key has been switched to the ‘on’ position and you are certain that the gas tank is half filled, it is possible that battery current is not reaching the gauge.
  7. If the gauge is now operational, the faulty wiring between the gauge and the ignition switch should be replaced.

This will help you to identify whether the problem is with the dash gauge or with the tank transmitting unit itself.

Ensure that the wire linked to the electrical terminal on the tank transmitting unit is establishing a proper ground connection if the gauge indicates that the level is higher than it should be.

If it doesn’t solve the problem, try using a jumper wire to connect the electrical terminal on the tank sending unit to the tank unit’s enclosure instead (leave the wire to the gauge connected to the tank unit).

If the gauge indicates that it is empty or close to empty, the transmitting unit is faulty.

The tank unit is fine if this gets the gauge down to empty or lower, however there is a poor ground between the gas tank and the body or chassis if this does not happen (or less likely, between the tank unit and the gas tank).

If the gauge continues to read wrongly, it is possible that the wire between the tank unit and the gauge is defective.

If the gauge now indicates that the tank is empty or close to it, the fault is with the wire running to it (or its connection to the gauge).

When the gauge indicates that the level is lower than it should be, detach the gauge’s cabling from the tank unit and verify the level there.

Before continuing, make sure the tank unit wire is connected to the gauge.

If the gauge continues to read full, it is likely that there is a short to ground somewhere between the transmitting unit and the gauge itself.

If the gauge continues to read full or above even with the wire unplugged, the fault is with the tank unit rather than the wiring itself.

Check the tank transmitting unit once it has been removed.

If the float is in good working order and the float arm appears to be swinging freely across its entire range, the tank unit should be replaced.

If the gas tank unit is malfunctioning and the dash gauge now reads empty, the gas tank unit is malfunctioning.

If the gas gauge functions properly but displays a reading that is lower than it should, look for faulty wiring between the gas gauge and the tank sending unit.

This indicates that the wiring between the dash gauge and tank transmitting unit has failed, even when the tank is truly half full or larger in capacity.

Disconnect the cable from the terminal of the gas tank sending unit. If the gas gauge continues to show that the tank is empty, the dash gauge unit is faulty.

General Motors Fuel Gauge Troubleshooting

Initial steps in troubleshooting a fuel gauge include identifying the source of the problem, which might be the gauge, transmitting unit, fuse or wiring. The most typical gauge issues are caused by either a faulty ground at the tank or a problem with the sender. Whenever dealing with electrical problems, it is advisable to verify that the fuse and any wiring connections are clean, tight, and free of corrosion before proceeding. For the sake of troubleshooting a fuel gauge issue, the ignition switch must be turned to the ‘on’ position during the following procedure.

  1. Whether YOU DO NOT HAVE 12 volts ignition on the fuel gauge, then check to see if the gauge fuse is in good working order, and then check to see if the ignition switch is supplying power to the ignition pink wire on the switch’s ignition blade.
  2. If you have 12 volts to the fuel gauge, you may proceed to the next step.
  3. When the transmitting unit wire is disconnected from the chassis ground, the fuel gauge should immediately display ‘full.’ If the fuel gauge answers appropriately, it means that the fuel gauge and transmitting unit wire are both responding correctly at this stage.
  4. If the ground wire appears to be in good condition, the problem is most likely with the fuel tank float assembly, which may require replacement.

What’s wrong with my fuel gauge? Diagnosing a bad fuel sending unit

Incorrect readings on the gasoline gauge are most often caused by a malfunctioning fuel sending unit, which is the most prevalent issue. In order to convey the amount of fuel in the tank to the fuel gauge on the car dashboard, the fuel sending unit must be installed. This guarantees that the driver is always aware of the fuel level in the car, as well as alerting the driver when the vehicle is running short on gasoline and when it is necessary to visit a gas station before the tank is fully depleted of petrol.

How a fuel sending unit works

The fuel sending unit is positioned in the gas tank and is responsible for monitoring the fuel tank level. However, while some sending units are linked to the gasoline pump assembly, while others are stand-alone devices, they share the same three components: a float, an aluminum rod/arm, and a variable resistor. These three components work together to measure the amount of gasoline remaining in the car and transmit the information to the gas gauge on the dashboard. Float- The float, which is constructed of a buoyant composite or foam, floats on top of the gasoline in the tank and prevents the fuel from spilling.

Resistor with a variable value- Resistors are electrical devices that prevent the passage of electricity, and a variable resistor has the capacity to alter the amount of resistance voltage encounters by sliding a contact (wiper) across a resistive element.

In order for the wiper to work, it must be linked to the fuel gauge, either directly or indirectly, through an electrical device that interacts with the gauge.

The gasoline sending unit is only one of the numerous names that have been given to this automobile component.

Fortunately, these titles are interchangeable since they all relate to the same component that performs the job of monitoring the fuel level of a vehicle.

How a fuel sending unit measures fuel tank levels

The float in the gasoline tank will rise or fall in response to the level of fuel in the tank. The pivoting of the metal rod in respect to the float causes the wiper within the variable resistor to move as well. The wiper moves along a strip of resistive material that is linked to a ground on one end, and the intensity of the electric current that flows through the resistor is governed by the distance between the wiper and the ground on the other. The wiper transmits electric current to the fuel gauge, which shows the current fuel level on the vehicle’s dashboard as a result of the transmission.

  1. As an example, with a full tank of gas, a Ford fuel sending unit will be farther away from the ground than a General Motors fuel sending unit from the same year will be closest to the ground.
  2. When the gasoline tank is totally filled, the wiper on the resistive material strip is either the closest to the ground or the furthest away from the ground.
  3. When a vehicle is running low on gasoline, the wiper is either the closest or the furthest away from the ground, depending on where the float is located at the bottom of the metal rods’ motion.
  4. Consequently, when the gasoline level in the tank and the float decreases, the metal rod that is attached to the float pushes the wiper further or closer to the ground, resulting in either a reduction or an increase in electric current transmitted to the fuel gauge.
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What causes a fuel gauge to not work?

While not all faulty fuel sending units behave in the same way when they are malfunctioning, the way the fuel gauge behaves might provide some insight into what is wrong and has to be corrected. Here are various indicators that the gasoline sending unit is malfunctioning, as well as some hypotheses on how and why the fuel sending unit failed.

1. Fuel gauge reading empty when the tank is full

If the float separates from the arm, the remainder of the components in the gasoline sending unit will come to a full halt, resulting in an empty fuel gauge reading on the dashboard. The presence of a malfunctioning resistor can also cause the gauge to read ’empty’ in rare instances, since it can entirely block the signal. Corroded wires, particularly in the case of a gasoline sending unit positioned on the fuel pump, might cause voltage to be cut off either at the source or at the fuel gauge, depending on the situation.

2. Fuel gauge is stuck on full

A faulty fuel gauge resistor that constantly supplies the fuel gauge with full voltage may be the cause of a fuel gauge that only reads full. When a vehicle uses fuel on a regular basis, the fuel sending unit is constantly in motion, resulting in constant movement of the wiper in the variable resistor, which causes the variable resistor to move. Over time, this can cause the resistive material strip to become worn down, resulting in an open circuit.

Another possibility is a defect in the wiring from the fuel sending unit to the fuel gauge, which would result in a shorted signal, or a bad ground wire to the grounding terminal, which would result in a shorted signal. A faulty fuel gauge, while uncommon, could also be a source of concern.

3. Fuel gauge fluctuates between empty and full

It is possible that a mechanical issue is causing the fuel gauge to appear as fluctuating between empty and full. Occasionally, the gasoline sending unit float arm will become stuck at certain levels and will fall back into position spontaneously or with the assistance of vehicle movement. Once the float arm is properly repositioned, the fuel gauge returns to its accurate readings. In many cases, this incident can be repeated, providing more proof of mechanical breakdown. In rare instances, a defective fuel gauge may also be the source of the problem.

Can you ruin your engine running your gas tank empty?

While a malfunctioning fuel gauge may not render a car undriveable, failing to know the vehicle’s fuel level increases the danger of the vehicle running out of gasoline. However, although going to the gas station is not ideal, running out of gas is also not good for the car’s performance. The lubrication and cooling of a fuel pump are dependent on the flow of gasoline through it. As soon as the gasoline is depleted, the fuel pump will overheat and eventually fail. If a vehicle’s gasoline tank is repeatedly depleted, the fuel pump will eventually fail as a result of the ongoing wear and tear.

It is possible that a blocked fuel system would not only produce performance concerns, but it may also pose a threat to the longevity of other expensive vehicle parts or the engine itself.

How to fix the fuel gauge or fuel sending unit

If your car is suffering any of the above-mentioned problems, there are tests that can be performed to determine whether the problem is with the gasoline sender. We advised that you do all of the checks before entering into the gas tank and that you replace any sending units that are still in working order. A simple remedy, such as replacing a fuse in the instrument cluster, might sometimes be sufficient. Check out our Resource Center article on how to test and repair a gasoline gauge and sending unit for more information on how to fix a gas gauge that is not operating properly.

Instructions on how to install may be found below.

Screwy fuel gauge question

The gasoline sender does, in fact, transmit the signal to the PCM, indicating that it is a module. However, I’ve never seen one of those produce an issue with the fuel gauge, although the transmitting unit is responsible for this, according to the score. This is a Technical Service Bulletin (TSB) on the subject. The sensor-specific part numbers are at the end of the list. The engine cranks but does not start, the engine stalls, the fuel gauge reading is inaccurate or incorrect, there is no fuel, etc.

  • For Variable Fuel (VIN Z – RPO L59) cars, please refer to Corporate Bulletin Number 04-06-04-012B or a more recent version.
  • Please disregard Corporate Bulletin Number 04-08-49-018 D.
  • Condition Some customers may express concerns about their car stalling and refusing to begin, running out of gasoline, or seeming to be out of fuel while the fuel gauge is actually reading higher than empty.
  • Cause It is possible that contamination on the gasoline transmitting card will result in imprecise or erroneous fuel gauge readings.
  • Determine whether or not the car is truly out of fuel.
  • – If the car is running low on gasoline but the gauge does not show that it is completely depleted, check the fuel gauge.
  • (Document ID: 1292631 in the SI) If the testing confirms that the fuel gauge is working properly, replace the fuel sensor assembly as well as the auxiliary tank fuel level sensor, if one is installed, as soon as possible.

Please refer to the following service details for further information: – Replacement of the Fuel Level Sensor Engines with displacements of 4.8L and 5.3L (SI Document ID1332662) – Replacement of the Fuel Level Sensor Engine with 6.0L displacement and a front tank (SI Document ID1333086) – Replacement of the Fuel Level Sensor Engine: 6.0L with a rear tank (SI Document ID1333087) – Replacement of the Fuel Level Sensor Vehicles with 8.1L fuel tanks in the front (SI Document ID1333104) Reinstallation of the fuel level sensor in 8.1 L cars equipped with a rear tank (SI Document ID1333105) Vehicles equipped with a Hummer H2 fuel level sensor are referred to as H2 vehicles (SI Document ID861702) – Replacement of the Fuel Level Sensor Replacement of the Fuel Level Sensor in a 2.8L engine (SI Document ID1220030).

  1. Engine displacement: 3.5 L (SI Document ID1219948) Information on the Components Parts are only available in limited numbers.
  2. Part Number (short for ‘Part Number’).
  3. and Ext.
  4. and Ext.

and Ext Cabwith LQ4 or L18 and without K539060636 Sensor Assembly, Main Tank, Side2001-2003360364 0353, Cab/Chassis (robust fuel system) 89060637Sensor Assembly, Main Tank, Side2000-2003159259 0636, C/K, Long Wheel Base Utilitywith LM7 or LQ4 or LQ9 or L18 and without K53 89060637Sensor Assembly, Main Tank, Side2000-2003159259 0636, C/K, Long Wheel Base Utility (robust fuel system) 89060638 The Sensor Assembly, Main Tank, Side2000-2003157 06, C/K, Short Wheel Base Utilitywith LM7 or LQ4 or LQ9 or L18 and without K53 and with LM7 or LQ4 or LQ9 or L18 and without K53 (robust fuel system) The part number is 89060640Sensor Assembly, Main Tank, Side1999-2003100200300 034353, C/K, 2 Dr, 4 Dr, and Ext Cab Pickupwith the engines LU3 or LR4 or LM7 or LQ4 or LQ9 or L18 and the engine code is K53 (without robust fuel system) With or without K53, 2004100 0353, C/K, 2 Dr and Ext Cab (with LU3 and without K53) is a good choice (robust fuel system) Long Wheel Base Utility with LM7 or LQ4 or LQ9 or L18 and without K53 Sensor Assembly, Main Tank, Rear2000-2003259 0636, C/K, Long Wheel Base Utility with LM7 or LQ4 or LQ9 or L18 and without K53 (robust fuel system) 88965384 Sensor Assembly was completed in 2004-2005.

  1. HUMMER H288965817 HUMMER H288965817 HUMMER H288965817 Sensor Assembly was completed in 2004-2005.
  2. Information Regarding Warranties For cars that have been repaired under warranty, utilize the following: Operation of the Labor Force Description L1197 is the labor time.
  3. Utilize the labor operation time that has been stated.
  4. Specifically, they are created in order to alert these professionals of situations that may develop on certain cars, or to offer information that may be useful in the correct service of a vehicle.
  5. In the event that a condition is stated, DO NOT assume that the advisory relates to your vehicle or that your vehicle will be affected by the condition.

Inquire with your local General Motors dealer to determine whether your car might benefit from the information. WE SUPPORT THE CERTIFICATION OF VOLUNTARY TECHNICIANS. General Motors Corporation owns the copyright to this image. All Intellectual Property Rights are Reserved.

2014 GM SUVs Recalled for Inaccurate Fuel Gauge Reading

It’s all about the facts:

  • General Motors is recalling 51,640 2014 Chevrolet Traverse, GMC Acadia, and Buick Enclave SUVs due to a software error that might cause the fuel gauge to read incorrectly
  • The recall affects all trim levels. It is possible that the afflicted vehicles would run out of gasoline suddenly as a result of the problem. Dealers for General Motors can correct the problem right away.

WASHINGTON— According to the National Highway Traffic Safety Administration, General Motors is recalling 51,640 2014 Chevrolet Traverse, GMCAcadia, and Buick EnclaveSUVs because a software error might cause the fuel gauge to read incorrectly. ‘The engine control module (ECM) software in the affected cars may cause the fuel gauge to read incorrectly,’ according to the National Highway Traffic Safety Administration’s explanation of the problem. A misreading of the fuel gauge may result in the vehicle running out of gasoline abruptly and stalling, increasing the danger of an accident.

  1. The SUVs were produced between March 26, 2013 and August 15, 2013, with the last one being delivered on August 15, 2013.
  2. The National Highway Traffic Safety Administration has not announced an official recall date.
  3. GM dealers will reset the ECM in order to fix the reading on the fuel gauge.
  4. Edmundssays: If you own one of these GMSUVs, you should contact your dealer immediately to make arrangements for the repair.
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GM Recalls Nearly 52,000 SUVs for Inaccurate Fuel Gauge

The General Motors headquarters at Detroit’s Renaissance Center is seen in this file photo taken on January 14, 2014, in Detroit, Michigan. STAN JOHNSON / AFP / Getty Images /Source:Reuters On Saturday, the U.S. Department of Transportation said that General Motors Co. is recalling 51,640 Buick Enclave, Chevrolet Traverse, and GMC Acadia SUVs from the 2014 model year due to defective software that might cause the fuel gauge to read incorrectly. As the National Highway Traffic Safety Administration (NHTSA) said on its website, ‘an erroneous fuel gauge may result in the vehicle unexpectedly running out of gasoline and stalling, increasing the danger of an accident.’ In a letter to the National Highway Traffic Safety Administration, General Motors stated that the fuel gauge reading might be incorrect by as much as one-quarter of a tank.

This year, General Motors (GM) has recalled around 7 million cars, including 2.6 million Chevrolet Cobalts, Saturn Ions, and other models, due to faulty ignition switches that have been related to at least 13 fatalities.


In this file photo taken on January 14, 2014 at Detroit, Michigan, the General Motors headquarters in the Renaissance Center can be seen. STAN JOHNSON / AFP – Getty Images. /Source:Reuters A defective piece of software in the 2014 Buick Enclave, Chevrolet Traverse, and GMC Acadia SUVs, according to U.S. authorities, might cause the fuel gauge to read incorrectly. General Motors Co is recalling 51,640 vehicles from the 2014 model year. As the National Highway Traffic Safety Administration (NHTSA) said on its website, ‘an erroneous fuel gauge might result in the vehicle unexpectedly running out of gasoline and stalling, increasing the danger of an accident.’ In a letter to the National Highway Traffic Safety Administration, General Motors said that the fuel gauge reading might be inaccurate by as much as one-quarter of a tank of gasoline.

GM dealers will modify the engines’ control modules in order to resolve the issue.

In February, the National Highway Traffic Safety Administration (NHTSA) announced that it was investigating the automaker for delaying the ignition switch recall despite learning of the defect more than 10 years earlier.

The General Motors recalls just don’t seem to end.

The automaker said on Saturday that it is recalling 51,640 SUVs due to the possibility that their fuel meters may have given erroneous readings. The recall affects Buick Enclave, Chevrolet Traverse, and GMC Acadia automobiles from the 2014 model year. General Motors (GM) has said that a software glitch might result in erroneous readings on both the high and low ends of the range that could be as much as one quarter of a tank off. According to the manufacturer, if a client runs out of gasoline without receiving any warning from the fuel gauge, the car would stall, increasing the danger of an accident.

  1. Related: General Motors Recall Timeline In addition to this recent recall, the business is now dealing with a number of other recalls affecting millions of cars, ranging from Buicks to Saturn models to Chevrolet models.
  2. Engineers at General Motors were aware of the problem as early as 2004, but the business did not recall the vehicles until February of this year, according to the company.
  3. Additionally, the number of cars affected by the recall has more than doubled since it was first revealed.
  4. Referred to as ‘terrible things transpired’ in Barra’s recall statement General Motors announced last month that the cost of fixing millions of vehicles, which might total up to $1.3 billion, had almost eliminated its profitability for the first three months of the year.

CNNMoney (New York)First published on May 3, 2014, at 4:58 p.m. Eastern Standard Time

Gas Gauge Is Not Working Correctly: the Gas Gage Shows It'.

Unfortunately, this has been a widespread problem in recent years with General Motors vehicles. When the transmitting unit in the tank develops a weak point, the gauge’s operation becomes unpredictable. The level sending unit will be replaced as part of the repair. The only catch is that in order to change it, you must first remove the gas tank, then the pump and sending unit, and then replace the sending unit with the new one. Because of the truck’s age and mileage, I would most likely replace the complete pump module with a new OEM unit in this situation.

  • There are two main reasons why I believe the entire module should be replaced.
  • In addition, a single level sending unit costs over $30 more than a full new OEM pump assembly with a new level sender installed!
  • In order to replace the older pump assemblies with a better updated connector, the newer pump units are equipped with a better updated connector.
  • a picture of a picture of a picture (Click to enlarge) At 8:04 p.m.

How do you test a GM fuel gauge?

Asked in the following category: General The most recent update was on February 22nd, 2020. If the voltage gauge displays 12 volts, switch the ignition off. Once this is done, check continuity between the ground terminal on the gauge and the ground by using the Ohm scale on your multimeter; the reading should be at or near zero Ohms. How to Reset a Gasoline Detector

  1. Switch on your vehicle’s ignition by pressing the ‘On’ button. Press and hold the ‘Odo/Trip’ button until the odometer is placed in ‘ODO’ mode
  2. Then release the button. Remove the keys from the ignition
  3. Press and hold the ‘Odo/Trip’ button for a few seconds. Press and hold the ‘Odo/Trip’ button until it is released.

Therefore, the issue arises as to how much it would cost to repair a gas gauge. Based on the make and model of your vehicle, as well as the type of fuel gaugesender that was installed, the typical cost of gasoline gaugesender replacement is between $250 and $800 for materials and labor. In virtually all circumstances, labor accounts for the majority of the expense of replacing a fuel gauge sender. In addition, what are the signs and symptoms of a malfunctioning gasoline sending unit? An inoperative or malfunctioning fuel gauge sender will often exhibit a number of signs that might warn the driver to a possible problem.

  • The fuel gauge is acting irregularly. One of the first signs of a problem with the fuel gauge sender is a fuel gauge that performs irregularly
  • This is one of the most common symptoms. Both the empty and full fuel gauges are locked on their respective positions.

What is the best way to tell whether your fuel gauge is malfunctioning? Fuel gaugesenders that are malfunctioning may make the gauge may suddenly shift positions or to produce an erroneous reading. The gauge may appear to be at three quarters full, but just a few minutes later will shift to half full, or vice versa, the gauge may look to be full, only to have the gauge climb higher a short time later, depending on the situation.

6 Common Signs of a Faulty Fuel Pump – Friendly Chevrolet Blog

The fuel pump in your automobile is responsible for delivering gas from the gas tank to the engine, allowing your vehicle to operate smoothly.

If the pump overheats, becomes damaged, or fails, the car’s engine will not be able to acquire enough gasoline to operate correctly, if it even runs at all. If you see any of these six indicators, you should consider driving your vehicle to a nearby dealership to have the fuel pump changed.

1. Whining Noise From the Fuel Tank

A whining noise emanating from the area where your gasoline tank is located indicates that the fuel pump has begun to fail and should be replaced. The whining indicates that the gasoline pump is malfunctioning, that you are running short on gas, or that there are pollutants in the tank.

2. The Engine Sputters or Surges

When you’re driving and the engine suddenly starts to splutter, it’s possible that the fuel pump is malfunctioning. When the fuel pump is unable to supply a consistent stream of fuel to the engine, the engine’s performance suffers and the engine begins to splutter and stall. Surging is another symptom of a failed fuel pump, which occurs when the engine does not receive the proper quantity of gasoline.

3. Trouble Starting the Car

There are a variety of factors that might contribute to an automobile not starting, but one of these factors is a malfunctioning fuel pump. if the engine starts to crank over when you turn the key but then stops again, it’s likely that the fuel pump isn’t delivering enough gas to the engine and it’s time to replace it. In the event that you continue to attempt to start the car when there is insufficient gasoline, you will deplete the battery and place additional stress on the starting mechanism, which will result in auto repairs.

4. Loss of Power Under Load

If you’re towing a trailer or hauling a large load and you discover that your vehicle is becoming sluggish, it’s possible that the gasoline pump is to blame. When the vehicle is under increasing load, a malfunctioning fuel pump is unable to provide enough gas or maintain sufficient fuel pressure to keep up with the high demand for gas that the vehicle experiences when operating under stressful conditions.

5. Reduced Gas Mileage

If you notice that you are filling up your gas tank more frequently than normal, it is possible that the relief valve in the fuel pump is deteriorating or malfunctioning. The failure of the valve to open when required permits excessive fuel to enter the engine system. Unfortunately, because extra gasoline or fuel cannot be stored or utilised within the engine, it just burns up unnecessarily, resulting in a drop in gas mileage.

6. Stalling at High Temperatures

Stalled engines are commonly caused by a malfunctioning fuel pump, which is especially true if you see the temperature of your car’s engine gauge rising. It takes more effort on the part of the engine to keep it operating correctly if the fuel pump is not delivering enough gasoline to it. The more work the engine has to do, the hotter it grows, and the engine may stall in order to avoid overheating from occurring. Fuel pump maintenance should be performed on a regular basis to ensure that it remains in excellent operating condition.

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