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Ignition coil

2K views 2 replies 2 participants last post by  7-even 
#1 ·
I had rough idle, and blinking check engine light when going up hill. Ran the codes looked like an ignition coil problem. Replaced the coil and it was running fine again. It is now two weeks later, got in my car started up and have the same problems before(yet slightly less severe). I had just driven 2 hours prior and there were no problems. Any ideas to a solution?
 
#2 ·
hi. welcome to the forum! there are a couple of things you could try. you could try the idle learn procedure. sometimes this needs to be done after certain work has been done to the car its easy to do yourself. also if the idle is rough and maybe even sounds like its going to stall it could be the IAC valve depending on what year car you have(04-05) you can remove and clean the IAC. heres a link to a thread that has the idle learn and a link that explains how to go about cleaning the IAC. give it a try and let us know what you find out. anything else just ask!
 
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