backfire

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    Rough Idle/ Backfire

    Hey guys, this is my first post here because I really need some help. The last few months my 1992 GMC Jimmy SLE W-vin (4.3L Vortec V6) has been starting to idle pretty rough, sometimes to the point of dying out on me. So I brought it into my shop and did a tune up. Spark plugs, wires...
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    Help! I'm going BROKE! 2000 Jimmy Diamond Ed

    It spits and sputters and backfires and the rpms drop until it kills. If you feather the gas you can get it to go for the most part, but the hotter it get through the day the worse it gets. It always starts up just fine even right after it kills you just can't get it to go once it's been driven...
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