1998 Pontiac Firebird miss fire

1998 PONTIAC FIREBIRD
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TYSWORLD
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Engine Performance problem
1998 Pontiac Firebird

how much would it cost to repair a miss fire in the engine
Dec 19, 2009 at 5:25 PM
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RASMATAZ
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Its hard to say:

Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
Dec 19, 2009 at 6:08 PM