This is a discussion on Misfire within the External Engine forums, part of the LSx Technical Help Section category; Hi guys I have my 99 ss m6 !! So I have a small misfire n I just replaced the ...
09-03-2010, 05:42 AM #1
Hi guys I have my 99 ss m6 !! So I have a small misfire n I just replaced the plugs wires air filter n gas filter! I know the filters aren't related to the issue! But since it didn't happen before then idk
09-03-2010, 05:49 AM #2
- Join Date
- May 2009
- 1998 Trans Am ls1
your saying there was no problem before you put this stuff on? be sure all your wires are pushed far enough on. possibly cracked a plug on install?
09-03-2010, 06:05 AM #3
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09-03-2010, 08:30 PM #4
- Join Date
- Apr 2010
- Fairfax, VA
- 98 TA WS6/ 01 C5 Corvette
After my header&y-pipe install I had a misfire too the codes I got were p0306/p0171/p0174 it will be fixed tomorrow, for the p0171/p0174 it was a vacuum leak in the tube that goes from the egr valve to the intake manifold. The misfire for me was caused by a clogged fuel injector. Don't know if you have those codes but I hope this helps. Also is the misfire in one cylinder and do you know which one? If the misfire is in a specific cylinder you might try switching good coils, spark plugs, and wires to that cylinder to see if the misfire switches cylinders.
Last edited by 98TransAmWs-6; 09-04-2010 at 11:50 AM.
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