jovermoyer Posted June 3, 2012 Report Posted June 3, 2012 (edited) First off I would like to thank anyone who can help me with this problem. I just found this site the other day when I was trying to find some information about the trouble codes for my car. I used to have a local mechanic who lived next store and would help me, but he has sinced moved away. I am the 2nd owner on this grand prix and have had it for over fifteen years and it has been a great car. About a week ago I was heading home from the store and the check engine light came on. It was running fine, so I did not worry about. The next day I started looking into it and used the key I have to check for a code problem. I plugged the key in and the light flashed once and then twice, then it paused and flashed 4 times and the twice again. It flashed 42 3 times and back to 12. So from reading on another post it looks like my est is bad. Electronic Spark Timing? Is this correct? And if so, how do I repair it? Or do I have to take it to a garage? Edited June 3, 2012 by jovermoyer Quote
AL Posted June 3, 2012 Report Posted June 3, 2012 Ive seen the ICM (ignition control module) cause this problem Quote
55trucker Posted June 3, 2012 Report Posted June 3, 2012 (edited) Here you go......Code 42 Edited June 3, 2012 by 55trucker Quote
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