My mechanic said that after install of new IAC he wants to do the relearn procedure to establish base idle. Then hunt down poss. vac leaks. He tried the following, which did nothing. Disconnected NEG from battery for 30 minutes. Reconnected battery and started car letting in idle while the engine gets to temperature, then wait one minute. Turn the AC to Max a little over one minute, then turn off. Then go drive the car for about 10 miles. Thanks for your help!
To reset an ECM (CPU) program it will be necessary to use a scanner tool. The idle program is already in the cpu so all it takes is to reset the corrupted cpu program
Posted on Nov 19, 2014
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Posted on Jan 02, 2017
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