1981 GMC Jimmy Sierra 2D Utility
Estimated Mileage
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accurate info about this vehicle
Ask The Community
June 29, 2011, 6:39 am
Josh J
Question: Why does my GMC jimmy drive rough?
I have a 1999 GMC Jimmy SLE 4dr 4x4. Recently it has started to drive rough and threw an engine code that said misfire in cylinder 2. I have replaced plugs, wires, cap and rotor and MAF sensor, with no change. I ran a can of sea foam thinking i might have a stuck valve but again no change. also, my coolant is disapearing im not sure if there is a connection but i replaced the radiator cap and it still goes down about a quart every couple weeks. there are no leaks or smoke or anything. I have a friend who does a bit about cars and he suggested something about a spider injector. any ideas would be great. thank you!
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