engine trouble

1995 OLDSMOBILE CUTLASS
226 MILES • 6 CYL • FWD • AUTOMATIC
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JAY MAN
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  • 3 POSTS
95 Oldsmobile Cutlass Supreme SL Sedan, engine running with rough idle and poor acceleration throughout driving speeds? Also foul odor of gas under the hood, Have a cracked exhaust manifold on back side of engine, no engine light on.
Nov 19, 2010 at 3:02 PM
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RASMATAZ
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  • 75,992 POSTS
Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it
Nov 20, 2010 at 12:33 AM