Question about 1994 Buick Park Avenue

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Motor Missfire in 1999 Buick Park Avenue Ultra

It started while I was at a stop light and hasn't stopped since.

Changed spark plugs, wire set and ignition module.

Checked and mad sure the cat wasn't clogged.

Getting a code saying that it is misfiring on cylinder 2.

Can it be a clogged injector?


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  • danny_rosari Dec 25, 2008

    Car has coil packs which I have replaced and the problem persist.

  • John Weathers
    John Weathers May 11, 2010

    Is this a DIS igniton system. In other words does it have a distributor cap and rotor or dies it use coil packs??

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  • 409 Answers

Yes it can be a clogged or bad injector or low compression in cylinder #2. Remove the plugs and run a compression test first. If compression is good I'd say it was a bad injector.

Posted on Dec 25, 2008

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