1996 Oldsmobile 88 engine misfires

1996 OLDSMOBILE 88
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TARSUS
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Engine Performance problem
1996 Oldsmobile 88 6 cyl Front Wheel Drive 240000 miles

my engine misfires badly at both slow and fast speeds until it warms up to about 200 degrees, after that it runs fine. Have replaced the spark plugs, plug wires, coil packs, and air filter. any ideas?
Jun 22, 2010 at 3:45 PM
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RASMATAZ
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1.Defective spark plug
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Idle air control valve.
Jun 22, 2010 at 3:46 PM
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