1990 Oldsmobile Delta 88

1990 OLDSMOBILE DELTA 88
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DEEDEE35
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  • 11 POSTS
1990 Oldsmobile Delta 88 6 cyl

it will start and run super one minute ten the next minute its running horrible
Sep 5, 2010 at 7:24 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
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Engine running rough or misfiring can be cause by the following:

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.
Sep 5, 2010 at 8:37 PM
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