Question about 1999 GMC Jimmy

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Miss fire on 1999 g m c danalie ruff idle

Miss fire

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A more detailed problem description would yield you a more specific/helpful answer.

I'd suspect dirty fuel injectors if your tune-up is recent. A clean fuel injector sprays a fuel pattern into the fuel delivery system. A dirty injector will only squirt the fuel thereby causing an improper spray pattern causing a misfire at first then worsening if ignored.

Posted on Jan 02, 2015

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I did a full tuneup on my 1999 Gmc jimmy. It's still idling ruff . Not shutting off but idling ruff


I, feel sorry for you, after reading your problem, but don't worry you visit the Reliable-Store they will help you for sure.
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