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Engine trouble

Tiny
JAY MAN
  • MEMBER
  • 1995 OLDSMOBILE CUTLASS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 226 MILES
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.
Friday, November 19th, 2010 AT 3:02 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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
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Saturday, November 20th, 2010 AT 12:33 AM

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