Here’s the throttle body relearn procedure
- Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal.
- After 3 minutes, turn the engine off and leave it off for 60- seconds.
- Start the engine again and let it idle in park for 3 minutes one more time. During these run periods you may see a...
- If the idle speed is still off, drive the vehicle at speeds above 44-mph and operate several acceleration and...
Full Answer
What is the throttle body relearn procedure?
Here's the throttle body relearn procedure 1) Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. 3) Start the engine again and let it idle in park for 3 minutes one more time. More ›.
When to do a GM throttle body relearn?
15/02/2019 · How does a GM throttle body relearn procedure? A motor and gear reduction set inside the throttle body opens and closes the throttle plate to accomplish your request. Over time, carbon buildup can accumulate around the throttle plate, changing it’s “home” position. If the buildup occurs gradually, the PCM “learns” the new home position.
What is the idle relearn procedure on a Chevy Chevy Silverado?
Idle Relearn Procedures for a Chevy Function. An idle relearn procedure is a way to reprogram the vehicle's computer memory to idle at a specified RPM, or... Features. Chevy uses a simple idle relearn process. After you replace the computer chip, it will automatically reset... Considerations. It is ...
What is an idle relearn procedure?
25/08/2018 · I just replaced my throttle body and gasket in my 2008 Chevy Impala SS 5.3L because of a P0121 DTC code. Dealer wanted to charge me $593.00. Purchased part and did it myself. I found a relearn procedure online that states to monitor RPM, idle vehicle for 3 minutes, turn off for 60 sec, and idle again for another 3 minutes and turn off again for ...
How do you reset the throttle body on a Chevy?
Fully depress the accelerator pedal for 10 seconds. At this point the check engine light should change to blinking slowly indicating “Erasing ECU Memory”. 8. Release the accelerator pedal and turn the ignition switch to off.
How do I do the throttle body relearn procedure?
1:112:42When Should I Reprogram My Car's Throttle Body? - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou might have to let it run for three minutes and then shut the vehicle off. And then run it againMoreYou might have to let it run for three minutes and then shut the vehicle off. And then run it again for three minutes. It depends on the type of vehicle.
How do I reset my GM electronic throttle control manually?
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.
How do you reset a GM throttle position sensor?
The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.
How do you recalibrate a throttle body?
0:093:26Throttle Calibration- Relearn? Car Feels Different - YouTubeYouTubeStart of suggested clipEnd of suggested clipPut your car in the run. Position. Once everything is good press down on the gas. And hold it downMorePut your car in the run. Position. Once everything is good press down on the gas. And hold it down for 20 seconds slowly let off the gas. Okay then put the car in the off.
How do you reset the baseline idle on a GM TBI?
Connect the IAC connector. 6- Start engine and run for 5 seconds, turn engine OFF and wait at least 30 seconds. This will reset the IAC control.
How do you reprogram a throttle position sensor?
How to Reset Throttle Position SensorPut the key in the ignition.Turn the key to the On position, without cranking the engine. Wait a few seconds, then turn it off.Repeat the second step.Crank the engine.Pull the parking brake.Set the gear lever in Drive.Wait 5-10 minutes.02-Jun-2021
How do you reset the ECM on a Chevy truck?
There's no complicated reset procedure; You just need to cut off power for a long enough time where the ECM forces a reset when it regains power once more.
How do I relearn idle?
0:403:27Idle Relearn Procedure After Battery Replacement - YouTubeYouTubeStart of suggested clipEnd of suggested clipWhat you have to do is circle. The key twice. Before so it's in the off position right you circleMoreWhat you have to do is circle. The key twice. Before so it's in the off position right you circle the key. Once twice and then you put your foot on the brake. And then you start the car.
How do you calibrate a GM throttle position sensor?
0:302:05GM Truck Electronic Throttle Body (ETB) Relearn Procedure - YouTubeYouTubeStart of suggested clipEnd of suggested clipNext turn the ignition off for 60 seconds. Then start and idle the engine in Park for 3 minutesMoreNext turn the ignition off for 60 seconds. Then start and idle the engine in Park for 3 minutes again after the 3 minute runtime the engine should be idling normally.
How do you adjust the throttle position sensor on a Chevy?
0:573:47TPS or Throttle Position Sensor Adjustment 1 - YouTubeYouTubeStart of suggested clipEnd of suggested clipBy simply closing or plugging the idle control valve adjusting the throttle screw for a minimum idleMoreBy simply closing or plugging the idle control valve adjusting the throttle screw for a minimum idle speed. And then readjusting the TPS. The desired idle condition can always be met by the engine.
What is idle relearn procedure?
An idle relearn procedure must be performed if a computer, or chip, is replaced in the vehicle.
How to reset idle on a Chevy?
Chevy uses a simple idle relearn process. After you replace the computer chip, it will automatically reset itself when you turn the ignition key from the "on" position to the "off" position. Blue Streak Electronics recommends to warm the engine after the idle relearn procedure, without use of the air conditioner. After the engine is warm, switch the air conditioning on and off, and then put the transmission into the "drive" position. These actions complete the full idle relearn procedure.
What happens if you don't take the throttle off?
Or, if you didn't take it off and instead moved the throttle plate, you could have damaged the little gears that control the throttle plate. You're not supposed to move the throttle plate "manually" on a drive-by-wire throttle body.... Some people do it and get away with it, but you're really not supposed to.
Can you clean a throttle body with the gas pedal?
If you need to open the throttle plate a little to get the throttle body 100% clean, you can do so with the gas pedal. When I cleaned my throttle body, I left it connected electronically and cleaned it "under the hood".
How to reset a dtc?
Remove negative battery cable for 20 minutes to reset all DTCs. 2. Start engine, run in park for 3 minutes. -MIL did not come on. -Engine starts at about 1200rpm, then slowly idles down to 800 rpm and back up to a steady 1000rpm. 3. Remove key for 60 seconds. 4. Start engine, run in park for 3 minutes.
Is idle normal while driving?
While driving, the idle was pretty normal , although downshifts came with a noticable surge, especially the 2-1 when coming to a complete stop. Behavior continued to improve over the next several days, and after about 500 miles of driving has returned to what I would consider normal.
What happens if your battery is disconnected?
If your battery has been disconnected for any reason, you may need to perform this procedure in order for the computer to relearn how to idle. Under most circumstances, it will relearn after just driving the car for a while, but if your car continues to experience an abnormal idle, or you just don't want to wait for it to relearn on its own, ...
How to run a car with a cooling fan?
STEP TWO: Run the engine up to operating temperature and shut off. STEP THREE: Apply the parking brake. Start the vehicle and place it in drive (A/T), or neutral (manual). STEP FOUR: Run the engine until the cooling fan has cycled on and off, or for a maximum of 10 minutes.
How long to run a relearning engine?
Start the engine and run it as close to idle speed as possible until it reaches its normal operating temperature. 2. Run it for approximately 2 minutes at 1200 RPM. 3. Drive the vehicle as far as necessary, approximately 5 miles of varied driving conditions is usually sufficient to complete the relearning process.