rough idle on 2002 pontiac bonneville
20

Asked by bnicci Feb 01, 2015 at 09:57 PM about the 2002 Pontiac Bonneville SLE

Question type: Maintenance & Repair

I just bought a 2002 pontiac bonneville and my issue is that it idles rough and the code
comes previous owner said the code comes up as a misfire in cylinder 3. He said he
checked the coil packs and replaced spark plugs and wires and also the injectors. Any
other ideas on what this issue could be? I dont have much more information as i just
bought the vehicle yesterday.

1 Answer

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