Honda throttle body cleaning and reset? (Correct answer)

Resetting the throttle body on a Honda is very simple. First, put in Your key and set the ignition to RUN for 3 seconds. Then, start the car and try to rev it up to approximately 3,000 RPM. This should force the radiator fans to come on.

Do you have to relearn after cleaning throttle body?

Cleaning the throttle body allowed more air to enter the engine, and the computer is compensating by adding more fuel. The idle will relearn if you put the vehicle in drive and allow the idle to come down with all accessories off for about two to three minutes.

How do you calibrate a throttle body on a Honda?

Perform a Honda throttle body relearn

  1. Turn the ignition key to the RUN position for 2-seconds.
  2. Start the engine and run it at 3,000 RPM until the radiator fans come on.
  3. Then let the ending idle for five minutes with no loads (lights, heated seats, rear defogger, blower motor, radio, etc OFF)

How do I reset my throttle body?

Resetting your electronic throttle control manually can be a tricky job. First, make sure the accelerator pedal is fully released. Next, turn the ignition on and then turn it off and wait for ten seconds. During these ten seconds, be sure the throttle valve is moving by listening for a sound of operation.

Do throttle bodies need to be programmed?

In fact, on some engines a new throttle body needs to be programmed with a factory, or equivalent, scan tool. The technician cannot even clean the carbon out of the throttle body in some cases without setting a ‘check engine’ light.

How do you reset the throttle position sensor on a Honda?

How To: Throttle Body Position Sensor Reset on Honda Accord &

  1. Step 1: Plug Your Scanner Into the OBD2 Port.
  2. Step 2: Navigate to the “TP POSITION CHECK” on Foxwell.
  3. Step 3: Reset the “TP Learning Value”
  4. Step 4: Relearn Process.

Will cleaning throttle body help idle?

While throttle-body cleaning is good preventative car maintenance, it should also help engine drivability. In fact, if you’ve noticed a rough idle, stumbling initial acceleration or even stalling – all when the engine is fully warmed up – a dirty throttle body could be the culprit.

What happens if TPS is not calibrated?

If your TPS is faulty or uncalibrated, the sensor will be unable to accurately determine the position of the sensor. This will lead to a variety of symptoms, all of which are caused by the fact that the ECM is delivering the wrong air/fuel ratio to the cylinders thanks to the bad sensor.

What happens when you unplug throttle position sensor?

The TPS as we call it is one of the most important sensors on the engine. Without it, the computer has no way of knowing when you push down on the gas or open the throttle. Best it can do it watch some other sensors and make some estimated guesses. On some cars, it may burp just as you unplug it if it’s running.

How do I know if my throttle body is bad?

When your throttle body is operating below its normal effectiveness, one of the tell-tale signs is a poor or low idle. This includes stalling after coming to a stop, a low idle after starting, or stalling when the throttle is pressed down rapidly.

Does a new throttle body add horsepower?

Gains from a throttle body can be dependent on modifications. Generally speaking, anytime a throttle body is added, there will be some added horsepower. The amounts can range from 5-25 HP depending on what other modifications are done to the engine.

Honda throttle body cleaning and reset

This article is about cleaning and resetting the throttle body of a Honda motorcycle, and it is written in the third person. Every electronic throttle body, including the Honda throttle body, accumulates carbon accumulation on the throttle plate and bore over time. This is no exception. Typically, carbon builds up after the engine has been turned down. It’s created by hot oil and gas vapors ascending to the top of the engine, where they condense on the cooled throttle body.

More: Honda throttle body cleaning and reset? (Correct answer)

How an electronic throttle body works

The idle screw maintained the throttle position in carbureted engines. The throttle plateplate on the carburetor was split open slightly to allow air to enter the engine. Airflow through the carburetor’s venture caused a vacuum, which pulled in fuel to keep the engine going. When automobile manufacturers moved to fuel injection, the role of the throttle body changed to function more like an air valve, letting more air into the intake manifold as the accelerator pedal was pressed farther into the floor.

The gasoline was supplied via the fuel injectors, and the airflow was controlled by the bypass valve.

  • Instead, they operate on a ‘fly by wire’ basis.
  • Electronic throttle body and accelerator pedal position sensor systems are used in vehicles.
  • A tiny cracking of the throttle plate is ordered by the computer when the engine is at idle, much like the classic carburetors.
  • The throttle plate is completely closed when the engine is turned off.

Symptoms of throttle body carbon buildup

A specific throttle plate opening is ordered by the vehicle’s computer, and the computer anticipates a specific quantity of air flow between the throttle plate and the throttle bore.Remove carbon buildup from the bottom of the throttle platethrottle plate opening However, as carbon accumulates and takes up more and more area, the engine becomes air deprived. Based on the inputs from the mass airflow sensor, the computer may identify a decrease in airflow and instruct an even bigger opening of the throttle plate to compensate.

When this happens, the engine has a harsh idle, stutters under acceleration, and eventually dies.

Shops sell induction service to correct the problem

Back when mechanical throttle bodies were in use, the shop would simply break open the throttle body by hand and spray in some aerosol throttle body cleanser. When you were through, they’d clean your car down to eliminate the carbon and you’d be back on your way. You cannot use that procedure with an electronic throttle body because the spray cleaner can flow up the throttle plate shaft and into the motor housing and circuit board locations, resulting in a complete failure of the electronic throttle body system.

That is a con game.

Due to the fact that your car’s computer is intended to react to common carbon buildup concerns, you will not require routine throttle body cleaning. If you’re experiencing performance issues such as a harsh idle or stumbling on acceleration, you should pay for induction cleaning.

Honda throttle body cleaning

To avoid damaging the delicate electronics in the electronic throttle body housing, all automobile manufacturers, including Honda, suggest that the throttle body be removed from the engine before cleaning. After removing the throttle body from the engine, place it on a clean work rag with the electronics side up. Using a clean soft rag, spray the aerosol cleaner over it and wipe it on the throttle plate, then close it up again. Repeat this process for the throttle bore. NEITHER spray the solvent directly onto the throttle plate nor use it to clean the throttle plate.

Never spray throttle body cleaner into an electronic throttle body while it is still connected to the vehicle’s ignition system.

Perform a Honda throttle body relearn

Replace the Honda throttle body with a new gasket and tighten to the manufacturer’s specifications. As soon as the carbon buildup has been removed, you must instruct the computer on where the completely closed position is located. A Honda throttle body relearn, also known as a Honda throttle body reset, is performed in this manner. Honda throttle body resets are typically performed by shops using a scan tool, however you may do it yourself by following the steps outlined below: 1) Turn the ignition key to the RUN position for 2 seconds before starting the vehicle.

Begin by turning on the engine and keeping it running at 3,000 RPM until the radiator fans come on.

In the year 2017, Rick Muscoplat is a professional musician.

How To: Throttle Body Position Sensor Reset on Honda Accord & Civic

*Before doing this method, make sure you have the service handbook for your Honda at your disposal. This is especially true of the’relearn’ process. This article was not written by a certified mechanic, and it is only a record of the procedures I followed while working on my own Honda Accord. Difficulty: Easy 15 minutes have been allotted. It was just recently that I cleaned the throttle body on my 2009 Honda Accord, and when it came time to start the car up again after the cleaning, I began having much higher RPMs at idle, surging, and difficult shifting.

However, none of the suggestions I found (e.g., put the key in start for 2 seconds, start, run at 3000 rpm for 5 minutes, etc.) worked for me in terms of bringing the idle back down to a normal range and getting the vehicle to run properly.

In order to avoid rough/high idle, shifting, and surging after cleaning your Honda’s electronic throttle body, I recommend that you read through this How To.

Use of an OBD2 scanner will ensure that your Throttle Body Position has been reset, and that the learning process will begin again as soon as the scanner is turned on.

Parts and tools required for this how-to are as follows: Honda/Acura NT510 Elite (Foxwell NT510 Elite)– Make certain to get the Foxwell in the Honda/Acura configuration.

Step 1: Plug Your Scanner Into the OBD2 Port

The first step is to remove the key from your Honda and plug in your Foxwell NT510 Elite while the car is switched off and the key is not in the ignition. The OBD2 port may be found below the steering wheel, on the left side of the vehicle. This button was placed along the top of the left kick panel on my Honda Accord’s drivers side, near the top of the kick panel. Connect your Foxwell to the port and then turn your key to the ‘On’ position without starting your car to complete the process.

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Step 2: Navigate to the “TP POSITION CHECK” on Foxwell

Your Foxwell Scanner will power on to the home screen once you’ve turned your key to the ‘On’ position (vehicle not started), and you’ll need to travel through the menus to locate the Throttle Control Position Reset. A sequence of menus will be required for this, as well as a fast load and read, before you can access the ‘TP POSITION CHK’ option. * Please keep in mind that the selecting procedure for a conventional NT510 and an NT510 elite may be different from one another. Follow the procedures outlined in the photos below to travel through the menus and locate your ‘TP POSITION CHECK’ button, which will allow you to reset the position sensor on your throttle body.

Step 3: Reset the “TP Learning Value”

You’ve finally discovered the throttle body position sensor reset on your Foxwell after sifting through seven different menus. Now it’s time to actually reset the sensor. Select the ‘TP POSITION CHECK’ option and follow the on-screen instructions. To reset the position sensor value, follow the steps outlined below and in the accompanying photos.

Step 4: Relearn Process

It is necessary to allow the car to re-learn the location of the throttle position sensor once it has been reset. I went on a search and discovered a number of alternative approaches to accomplishing this. My advise is to locate your Honda service manual for the year, make, and model of your vehicle and to follow the instructions in it. As a reminder, the procedure I outlined below worked for ME and MY Honda, but it may not be appropriate for you. Restarting your car after you’ve reset the position sensor (if it’s still on) will allow it to begin the retraining procedure.

  • Everything has to be turned off.
  • Allow the car to sit for a few minutes without touching the throttle or anything else until it reaches operational temperature.
  • Allow the car to rest at idle for an additional 5-7 minutes once it has reached operational temperature.
  • Please let us know if this was helpful by leaving a comment!

Kameron Scott

In 2010, Kameron launched CarAudioNow as a platform for him to express his thoughts on automobile and marine sound equipment. While owning and managing SC Autosound in Orange County, California, he gained first-hand knowledge of the industry and began compiling lists of items, how-to guides, and other materials to share with others. He put goods through their paces in his garage and then assessed them after installing them in client automobiles. Ultimately, the objective was to provide quick access to high-quality information regarding automotive audio, electronics, and technology, allowing you to save time by not having to spend many hours studying something as simple as a car speaker.

Today, he continues to compile lists, test goods, and write articles with the help of the few members of CarAudioNow’s professional team in whom he has confidence. As well as serving as the company’s creator, he also serves as the company’s major editor and contributor.

【How-to】How to reset throttle position sensor honda

The procedure for resetting the throttle body on a Honda is straightforward. To begin, insert your key into the ignition and turn it to the RUN position for three seconds. Afterwards, start the car and try to crank it up to around 3,000 RPM or higher. The radiator fans should be forced to turn on as a result of this.

How do I calibrate my Honda TPS?

Connect the negative terminal lead on your multimeter to the negative terminal lead on the battery. The voltage should be checked by attaching the positive meter lead to the red signal wire and connecting it to the red signal wire. Tighten the screws on the TPS until you receive a reading of 0.5v DC, and then repeat the process. You should be getting 0.5v when the TPS is closed and 4.5v when the TPS is open, so double check that.

How do I reset my electronic throttle control manually?

Manually resetting your electronic throttle control might be a time-consuming task. First, make certain that the accelerator pedal is completely depressed. After that, switch on the ignition and then turn it off and wait for ten seconds before continuing. While you’re waiting for the throttlevalve to move, keep an ear out for the sound of the valve operating throughout this time.

How do I reset my throttle?

Check to see that the accelerator pedal has been fully depressed. Turn the ignition switch to the ‘ON’ position and hold it there for at least 2 seconds. Turn the ignition switch to the ‘OFF’ position and wait at least 10 seconds. Turn the ignition switch to the ‘ON’ position and hold it there for at least 2 seconds.

How do you reprogram a throttle body?

Once you have installed a Throttle Position Sensor, also known as a TPS, you will need to calibrate it using the MEITE software. As you raise the throttle from fully closed to fully open, the signal on the selected pinshould change from around zero to five volts. Choosing the right pin

What happens if TPS is not calibrated?

What happens if the TPS isn’t tuned correctly? If the TPScan fails, the engine will hunt for an idle or surge to compensate. You will notice that your engine’s RPM gauge is rapidly oscillating up and down, or that the engine is revving up and down without your input. If this is not addressed promptly, it may eventually result in the engine shutting down.

What happens if you disconnect throttle position sensor?

Alternatively, if theTPS is not properly calibrated, as demonstrated by a 500rpm idle and hesitation with starting acceleration, removing theTPSconnector should result in a correct idle and normal acceleration after a few seconds.

Can you clean a TPS sensor?

Cleaning the throttle body itself may be accomplished by using carburetor fluid and a clean cloth to remove any minor muck from the mechanism. This technique should not be carried out while the throttle position sensor is being cleaned owing to the danger of contamination or wire breakage.

How do you diagnose a bad throttle body?

When should I clean the throttle body, and how often? A: Routine fuel-injection system maintenance and throttle body cleaning should be performed every 75,000 miles, at the very least. During this process, it is also necessary to inspect the oxygen sensor and catalytic converter for signs of wear and tear.

How do you know if your throttle body needs cleaning?

Listed here are seven indicators that your throttle body is in need of cleaning.

  1. Grime buildup
  2. Poor fuel economy
  3. Poor or high idle
  4. Uneven or slow acceleration
  5. Electrical problems
  6. Airflow disruptions
  7. Check engine light
  8. And other problems.

What should TPS be at idle?

Atidleis should be zero degrees or a few of degrees above zero. Then, with your foot on the gas pedal, slowly press it down until the throttle is completely open. If the TPS has a worn area, the throttle opening will most likely be between 0 and 20% of the maximum opening. Maintaining a constant throttle setting between 0 and 20 percent should yield a consistent measurement.

Does TPS affect idle?

When aTPS fails to operate properly, the throttle body of the vehicle will not function properly. Because when the throttle is locked in the open position, your car will get an excessive amount of air, which will cause it to run at a high or variable idle speed.

How do you check throttle position sensor resistance?

The vast majority of throttle position sensors (TPS) are three-wire potentiometers. These devices are comprised of a power source (usually 5 volts), a ground connection, and a signal return wire. Internal to theTPS is a mechanical arm, which connects to a shaft, which keeps the throttle blade in place. It’s vital to remember that appropriate calibration of the TPS is essential for optimal performance.

Resetting PCM after cleaning throttle body

What the computer learns after a period of time is the long-term fuel trim as well as the readiness checks for emissions. All of information is gone if the computer is restarted. When you clean the throttle body (or perform any other repair that has an impact on engine behavior), you should consider doing this since, if your throttle body was poor enough, there will be a slight improvement in airflow even while the throttle position sensor remains the same. Additionally, if the automobile has greater throttle response, your driving habits will be altered.

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It’s possible that your idle may need to be retaught.

However, in order to do so, you will need to know the radio code.

In addition, if you have an inspection scheduled within the next several weeks and your state requires that you pass all emission readiness codes, don’t do it.

Fluctuating Idle after cleaning Throttle Body

As carbon accumulates on the throttle plate and throttle body, the computer will compensate by opening the throttle plate farther in order to maintain the desired idle speed. This is exactly what it is intended to achieve. However, according to the maintenance schedule (at least for the Odyssey), the idle speed should be checked at 160K. Examining the idle speed is not as simple as glancing at the tachometer and saying, ‘yeah, that seems nice.’ There is a method to follow. To check the idle, you’ll need a scan tool that can read OEM data (rather than simply OBDII), and you’ll want to look at the relative TPS angle and the idle RPM.

  1. The maximum angle at which the throttle plate should be opened is specified in the service manual.
  2. My car’s temperature was almost 5 degrees when I examined it (after 150K miles), indicating that it was past due for a thorough cleaning.
  3. Those who claim that the idle learn technique may be completed without the use of a bidirectional scan instrument are completely incorrect.
  4. They don’t want you to spray directly on it because they don’t want the oil to wash away from the bushings on the shaft.

When you’re finished and everything is back together, use a bidirectional scan instrument such as the Foxwell NT510 (which, by the way, I’m still very pleased with) to reset the TPS data and do the idle relearn routine, which can be found all over the internet.

Foxwell NT510 Reset Honda Throttle Body TPS

When it comes to Honda Throttle Body cleaning and idle re-learning, there is a lot of misinformation available on the Internet. In light of the information in the threads, it is now evident to me that you cannot truly perform an idle re-learn without first erasing any TPS recorded data from the PCM. Disconnecting the battery does not solve the problem. It is not feasible to rewrite the TPS data unless the data is first cleared. That’s why the Honda Owner’s Manual recommends that you reset the PCM first.

  1. On my 2008 Honda Odyssey, I was experiencing the identical issue: a higher than normal/spec idle and surging from 1100-1500RPM on engine deceleration after removing and cleaning my TB per the original service manual for the first time at 150K miles.
  2. In addition to having many other bidirectional features for Honda vehicles, I would strongly suggest it to everyone who owns a Honda vehicle and performs their own repair.
  3. As carbon accumulates on the throttle plate and throttle body, the computer will compensate by opening the throttle plate farther in order to maintain the desired idle speed.
  4. However, according to the maintenance schedule (at least for the Odyssey), the idle speed should be checked at 160K.
  5. To check the idle, you’ll need a scan tool that can read OEM data (rather than simply OBDII), and you’ll want to look at the relative TPS angle and the idle RPM.
  6. The maximum angle at which the throttle plate should be opened is specified in the service manual.
  7. My car’s temperature was almost 5 degrees when I examined it (after 150K miles), indicating that it was past due for a thorough cleaning.

Those who claim that the idle learn technique may be performed without the need of a bidirectional scanner are completely incorrect.

They don’t want you to spray directly on it because they don’t want the oil to wash away from the bushings on the shaft.

This is exactly how I went about it!

Example of how to reset the throttle body on a Honda Civic using the Foxwell NT510 multi-system scanner is shown below.

After I cleaned my throttle body, my Honda Civic began to run terribly again.

So I went out and got a snazzy Foxwell NT510 multi-system obd2 scanner (complete with Honda software) and learned how to program it myself.

1.

2.

3.

Select Control Unit- PGM F1- 12 from the drop-down menu.

Checking the TP’s Position The NT510 will confirm whether or not the ‘throttle position learning value’ is within the acceptable range. Are you sure you want to proceed? Begin the process of resetting the TP learning value Done. You can check to see if a fault code has been stored and then clear it.

problem after Throttle Body cleaning

PnX-RHmm posted the original message. To be honest, it’s always worked perfectly for me. But, on the other hand, I’m not interested in removing the Throttle Body. I’m not a fan of squirting Brake Cleaner on electrical devices. Whenever I work on a car, I use a rag and put some Brake Cleaner on it before cleaning the Throttle Body bore with a brush. In order to get stubborn locations cleaned, I’ll sometimes just leave the rag in the Brake Cleaner and let it do its work. Well, all I did was follow the instructions in the service bulletin to the letter.

  1. What I’ve done so far is purchase a new map sensor; however, even with the new sensor plugged in, the vehicle continues to idle jerkily, prompting me to replace it with the old one.
  2. The screws are snap off and must be slotted in some manner in order to be removed.
  3. Please, if you know what’s wrong, please let me know.
  4. However, the car still idles strangely in neutral and does not go lower than 750 rpm.
  5. If the automobile is placed in neutral when at a complete stop, it will stall.
  6. I discovered that removing the rubber plug on top of the throttle body allows the car to function normally, however the idle speed is increased to 1000 rpm, resulting in the check engine light turning on.

Throttle Body Cleaning

It is vital to clean the throttle body as part of routine vehicle maintenance since the throttle body is critical to the smooth operation of the engine. The throttle body’s primary function is to regulate the amount of air that enters the engine. When the throttle body is not operating at peak performance owing to accumulation of filth and carbon deposits, the vehicle’s performance is adversely affected.

What Is Throttle Body Cleaning?

When the throttle body becomes clogged, it has a direct impact on the smoothness with which the engine functions. The following symptoms may indicate a problem: rough idling, jumpy or slow acceleration, poor fuel efficiency, and the vehicle stalling. The dirt and debris accumulation in the throttle body may be readily cleaned with the use of a throttle body cleaning solution. There are various phases involved in getting to the point where the strong spray can be delivered safely and effectively.

Frequent cleaning of the throttle body can assist to prevent difficulties that might emerge as a result of a filthy throttle body, allowing the vehicle to operate at a greater level of performance.

Types of Throttle Body Cleaning

Chemtoolaerosol cleaning developed with high-energy solvent technology that dissolves a variety of gasoline residue deposits in order to maintain the carburetor, choke, and throttle body clean is available from Berryman. CRC Throttle Body and Air-Intake Cleaner removes hazardous deposits from the throttle body and air intake that can impair the performance of a vehicle. After using it, it minimizes rough idling and makes starting simpler since it reduces friction. With the all-in-one spray, you can keep your throttle body and carburetor clean.

  1. In addition to breaking up residue and carbon deposits, the spray also removes garbage by spraying away the debris.
  2. With Johnsen’s Throttle Body and Air Intake Cleaner, you can stay on top of maintaining the throttle body and air intake clean and clear of built-up deposits, as well as minimizing reluctance when the vehicle is idling.
  3. Some states do not allow B-12 0110 Chemtool Carburetor, Choke, and Throttle Body Cleaner because it contains volatile organic compounds.
  4. $3.95CRC 05078CRC 05078 Cleaning Throttle Body and Air-Intake 12 Wt Oz.

Throttle Body and Air Intake Cleaner – 10 oz., Johnsen’s 4720-12PK Throttle Body and Air Intake Cleaner – 10 oz., Johnsen’s 4720-12PK Throttle Body and Air Intake Cleaner – 10 oz., Johnsen’s 4720-12PK Throttle Body and Air Intake Cleaner – 10 oz., Johnsen’s 4720-12PK Throttle Body and (Pack of 12) Johnsen’samazon.com $45.00

How to Choose Throttle Body Cleaning Products

Berryman’s B-12 Chemtoolaerosol cleanser is created with high-energy solvent technology to dissolve a variety of fuel residue deposits, allowing the carburetor, choke, and throttle body to remain clean. CRC Throttle Body and Air-Intake Cleaner removes hazardous deposits from the throttle body and air intake system, improving the overall performance of the vehicle. After using it, it minimizes harsh idling and makes starting simpler since it is more efficient. The all-in-one spray will keep the throttle body and carburetor clean.

  1. In addition to breaking up residue and carbon deposits, the spray also removes garbage through spraying.
  2. With Johnsen’s Throttle Body and Air Intake Cleaner, you can stay on top of maintaining the throttle body and air intake clean and clear of built-up deposits, as well as minimizing reluctance when idling.
  3. Carburetor, choke, and throttle body cleaner B-12 0110 Chemtool is not VOC compliant in certain states; however, it is compliant in others.
  4. The price is $3.95CRC 05078, and it includes shipping.
  5. Cleans carburetors and throttle bodies with WD-40 Specialist Carb/Throttle BodyParts Cleaner (13.5 oz).
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How to Use Throttle Body Cleaning Products

Disclaimer: The directions in this article are general in nature and are not intended to be a replacement for the instructions that come with your individual vehicle. Before undertaking any repairs, please refer to your owner’s handbook or repair guide for guidance. The following is a comprehensive overview of the throttle body, as well as a description of the fundamental procedures to cleaning the throttle body. Consult your car’s owner’s handbook for information pertaining to your particular vehicle.

  • This part of the engine is situated between the intake manifold and the air cleaner.
  • Another method of locating the throttle body is to have someone hit the accelerator pedal when the engine is turned off and the engine is running.
  • It is visible that when the gas pedal is pressed, it produces movement of the throttle shaft, which is what you are looking at.
  • The skin can be irritated by the throttle body cleansing agent, and the fumes are potentially dangerous.
  • Parking your car on a level, open space with plenty of light is the best option.
  1. Before beginning the cleaning procedure, disconnect the ground terminal from the battery to ensure the safety of the car. Hoses that are attached to the throttle body or air ducts should be tagged before being removed so that you will know where they should be placed once the cleaning is finished. It is necessary to remove the air duct that is linked to the throttle body. Depending on the design, the air ducts may be attached with a clamp that may be removed with a screwdriver, or they may merely take a short twist before being pulled out. Do not remove any electrical cables from the circuit. To complete this step, you may need a Torx or a Phillips screwdriver to remove the clamp screws. If it is not possible to remove the air ducts, do not proceed with the construction project. You should take your car to a qualified technician who can do the work. Remove enough air ducting to provide access to the throttle body in order to expose the throttle body. Protect your hands and eyes with rubber gloves and goggles before applying the spray cleaning. As soon as you have been adequately shielded, spray the cleaner into the air ducts. Make use of a tiny brush to dislodge dirt and other deposits, and then use paper towels to wipe away the residue. Step 6 should be repeated until all of the surfaces are clean. Examine the area for any leftover filth using a flashlight
  2. Place a little drop of general-purpose oil on the throttle shaft with a cotton swab and wipe it down. As a result, the throttle blade rotates more smoothly as a result of this. This should be done prior to replacing the ducts. Clean the area surrounding the throttle body and engine, wiping away any spilt liquid or dirt residue with paper towels as needed
  3. Tighten all of the duct clamps to the same level as before
  4. Reconnect all of the ducts. Once you have removed all of your equipment and materials from under the hood, reconnect the battery. Start the engine by pressing the start button. Depending on the car, it may take a few minutes to adapt. Make sure to let the car idle for two or three minutes to get it warmed up. The final stage is to take the vehicle out for a test drive. It is possible that there could be a visible difference in how the automobile operates, or that there will be no difference at all. The degree to which performance has improved or deteriorated is dependent on how much residue has been removed from the throttle body. Any tools that have been used should be cleaned. Rubber gloves, paper towels, or other materials that were used to wipe away the filth and hazardous spray should be disposed of properly.

Prior to beginning the cleaning operation, disconnect the ground terminal from the battery to ensure the safety of the vehicle. Pre-labeling any hoses that are attached to the throttle body or air ducts will help you to remember where they should be placed when the cleaning is complete. Firstly, remove the air duct that is connected to the throttle body. Depending on the design, the air ducts may be attached with a clamp that may be removed with a screwdriver, or they may merely take a short twist before being pulled off.

  • For this step, a Torx or Phillips screwdriver may be required to remove the clamp screws.
  • You should take your car to a qualified technician for assistance.
  • Put on the rubber gloves and eye protection before you begin applying the spray cleaning to your surfaces.
  • Make use of a tiny brush to dislodge dirt and other deposits, and then use paper towels to clear the muck.
  • Using a flashlight, search for any lingering filth.
  • Throttle blade rotation is made smoother as a result of this.
  • Tighten all of the duct clamps to the same level as before; reconnect all of the ducts and clamps.
  • Start the engine by pressing the start/stop button.
  • For a warm-up period of two to three minutes, let the automobile idle.
  • Your car’s performance may improve or deteriorate, and you may notice a difference in either case.
  • Any tools that have been used should be wiped clean.

Rubber gloves, paper towels, or any other item that was used to wipe away the filth and dangerous spray should be disposed of properly.

Throttle Body Cleaning : Air Metering/Acceleration : Engine Control : Internal Combustion Powertrain Control : Powertrain : Honda Fit 2007-2022 Repair Manual : Second generation (2007-2022)

caution
Do not insert your fingers into the installed throttle body when youturn the ignition switch to ON (II) or while the ignition switch is inON (II). If you do, you will seriously injure your fingers if thethrottle valve is activated.
  1. Check to ensure that the ignition switch is set to LOCK (0) before continuing.
  1. Examine the air cleaner for signs of wear and tear. If the air cleaner is damaged, it should be replaced.
  1. Using a paper towel soaked in throttle plate cleaner, remove the carbon buildup from the throttle valve and inside the throttle body of the vehicle. NOTE:
  • It is always necessary to remove the throttle body in order to clean it. Caution should be exercised to avoid pinching your fingertips. It is not recommended to clean the bearing region of the throttle shaft (A) in order to avoid losing the molybdenum coating. Keep the throttle plate cleaner away from the throttle body
  • Otherwise, it might cause damage. Make use of authentic Honda throttle plate cleaning.
  1. Connect the HDS to the data link connector (DLC) (A), which is situated under the driver’s side of the instrument panel.
  1. Set the ignition switch to the ON position (II). With the HDS, you can reset the ECM/PCM. With the HDS, select the ETCS TEST from the INSPECTION MENU on the screen. To clear the throttle position (TP)learned value, choose the TP POSITION CHECK option and then press Enter. Set the ignition switch to the LOCK position (zero). Press and hold the accelerator pedal for 2 seconds after turning the ignition switch to the ON position (II). Start by going through the ECM/PCM idle learning routine
See also:

Online Sources of Information Owner’s Instruction Manual Ideally, this owner’s handbook will be regarded a permanent component of the vehicle and will be transferred to the new owner when the vehicle is sold. This owner’s manual includes information on all of your vehicle’s models. You could come upon something. At a Glance: Your Automobile * 1: To activate the horn, push the middle pad of the steering wheel. * 2: If fitted, press the horn button on the steering wheel. Overhaul of the front brake calipers with care Breathing brake pad dust on a regular basis, regardless of the material composition, may be harmful to your health.

Throttle body cleaning nightmare.

Have you recently cleaned or changed the throttle body and are experiencing one or more of the following symptoms? With DTC P2279, there is fluctuating idleMIL on (intake air system leak) P0507 is being worked on by MIL (idle control system RPM higher than expected) What’s most likely happened is that the throttle plate is now in a different position from the one that the ECM/PCM was trained to be in previously. In order to resolve this issue, the ECM/PCM must be taught to recognize the present closed throttle position again.

In the HDS, navigate to the INSPECTION MENU and choose ETCS TEST.

Press CTRL+TP POSITION CHECK to remove the throttle position learnt value from the list of values.

Turn off the ignition, then turn it back on again to complete the process.

Reset the ECM/PCM by pressing the Reset button.

Carry out the idle learning process.

Check for any DTCs again.

If one of these conditions is met, proceed with usual troubleshooting.

This information is applicable to Civic models from 2006 to 2013.

I would take the vehicle back to the dealership since they did not follow some or all of the procedures outlined above.

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