Question about 2003 Pontiac Sunfire
I am attempting a general tune-up on a 1998 Pontiac Sunfire that has a minor missfire that causes rough idle. I have installed new plugs and wires. Still missing. Any further suggestions?
Check the coils my 98 had a crack coil that drove me nuts. If thats the problem make sure you replace both ignition coils
Posted on Jun 18, 2008
If check engine light comes on may be crank position sensor or ur injectors r clogged try some chevron injector cleanor it helps when injectors clogged makes it run smoother
Posted on Jun 16, 2008
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Posted on Jan 02, 2017
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