Question about 1997 Pontiac Grand Am
What would cause misfiring in cylinders 2 and 3 in the 97' Pontiac Grand Am?
The check engine light should turn on during a misfire. If you don't have an OBD2 diagnostic tool, go to your local parts place and have it checked out. My local Autozone and Advance will do it for free and let you know what's wrong. Don't start changing parts until you know what's really wrong. That's a waste of money! I had a 1997 Grand Am 4 cylinder and the OBD2 code was a misfire on two cylinders. They shared a common coil and I changed it, then the misfire was gone.
Posted on Jun 08, 2009
I have a 97 grand am with a 6 cyl. that was also experiencing the same misfire problem. I thought it was water in the fuel. I put fuel fuel injector cleaner and heet in fuel tank, and it would do a little better for a while but the symptoms would return. I was about to remove the injectors to see if they were clogged but decided to check out the coil packs instead . Using a spark tester connected between the coil and plug wire I noticed that the coil for cyl # 5 and # 2 was not firing when accelerated. So I purchased a replacement for that coil and now it runs fine!
Posted on Mar 31, 2009
If it is a 4cyl probably a bad coil cover
Posted on Aug 21, 2008
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Posted on Jan 02, 2017
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