My 84 is misfiring all of the sudden
06-29-2013, 11:15 PM
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Car: 1985 Iroc-z28
Engine: 5.7l TPI
Transmission: 700r4
Axle/Gears: Stock
My 84 is misfiring all of the sudden
there is a thumping noise coming from my exhaust and a significant loss of power. the engine isnt making any irregular noises. I was driving all day today and the car was fine, then I took it home for about an hour and when i was driving it started doing this, any reason why or what could be causing the misfire, I just replaced spark plugs, cap and rotor about 3,000 miles ago but not spark plug wires.
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