How do I reset my throttle body on a GMC?
Fully depress the accelerator pedal for 10 seconds. At this point the check engine light should change to blinking slowly indicating “Erasing ECU Memory”.
Do you need to do a throttle Relearn on GM vehicle?
After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn.
Is there a relearn procedure for throttle body cleaning?
While the cleaning procedure is pretty normal across the board with GM, there are 6 different relearn procedures listed, and a lot that require no relearn at all. Below is the procedure for cleaning. The following pages include a list by name of which proce- dures to use. This is a comprehensive list for the model year 2007.
What happens when you replace the throttle body?
If you replace the throttle body, the PCM won’t know and will continue to use the adaptive settings as if the carbon buildup is still in place. If you don’t do a relearn procedure, the PCM will “hunt” for a new baseline idle.
How does the throttle plate work on a GM car?
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.
How long does it take for GM throttle body to relearn?
If you don’t do a relearn procedure, the PCM will “hunt” for a new baseline idle. It will eventually learn it on its own, but it may take over a week of driving, during which time you will experience high and low idle speeds and possibly rough idle. 1) Start the engine and let it idle in park for 3 minutes.
How to relearn the throttle on a Chevy Silverado?
1. Remove negative battery cable for 20 minutes to reset all DTCs. 2. Start engine, run in park for 3 minutes -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.
If you replace the throttle body, the PCM won’t know and will continue to use the adaptive settings as if the carbon buildup is still in place. If you don’t do a relearn procedure, the PCM will “hunt” for a new baseline idle.
How to do throttle body re-Learn Chevy Malibu?
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. During these run periods you may see a check engine light.