1991 OLDSMOBILE CIERA JERKS

  • Tiny
  • carolyn squires
  • 1991 Oldsmobile Ciera

Engine Mechanical problem
1991 Oldsmobile Ciera 4 cyl All Wheel Drive Automatic 81,000 miles

i will be driving, and it jerks about two to three times. I tried filling up with new gas but same thing. I took it to a mechanic and he couldnt find it.

Thursday, March 18th, 2010 AT 7:23 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position 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.

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Thursday, March 18th, 2010 AT 7:27 AM

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