crashedout1
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How long does it take for the ecm to set idle?
idle air control learning time
- Thread starter crashedout1
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BEATAV8
The Engine Whisperer
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Just a few seconds.
But if you installed a new IAC, you should drive the car. The ECM learns the IAC zero position when the vehicle speed is over 35mph and you coast. If it doesn't get a chance to learn the zero position, the idle will be all jacked up.
But if you installed a new IAC, you should drive the car. The ECM learns the IAC zero position when the vehicle speed is over 35mph and you coast. If it doesn't get a chance to learn the zero position, the idle will be all jacked up.
crashedout1
Active Member
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Thanks for the info should have the transmission back in tomorrow get it failed in
BEATAV8
The Engine Whisperer
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Some background info I've made use of:
http://www.gmtuners.com/tech/TPS_IAC.htm
http://www.gmtuners.com/tech/TPS_IAC.htm
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