Keyword Analysis & Research: relearn idle program

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Frequently Asked Questions

How do I perform an idle relearn?

Follow these steps to complete an Idle Relearn: With vehicle at a complete stop, set the parking brake. Put gearshift in "P" (Park), turn off all accessories. Run the engine until it reaches normal operating temperature. Allow engine to idle for at least one minute. Turn the air conditioning on and allow the engine to idle for at least one minute.

When should I perform the idle learn procedure?

Whenever the ECM loses battery power (which clears the stored IAC position) or significant changes to the system (e.g. sensors are replaced) it is a good idea to perform the idle learn procedure. The procedure in the service manual was superseded by a more recent service bulletin.

How to fix a car that won't learn idle?

The solution ended up being to scrub the sludge out of the drive-by-wire throttle body, and then it was able to re-learn the idle easily. I've had no problems starting the engine cold, then let it run to full temp.

How to Idle re-learn after battery disconnect?

How to Idle Re-Learn after Battery Disconnect 1 Turn off the lights, aircon, stereo or any system in the car that draws extra current on top of the engine. 2 Disconnect the battery for 30 mins. 3 Reconnect the battery. 4 Before you start the car for the first time, turn the key to the ON position but do NOT turn the engine over. Wait... More ...

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