WHAT COULD IT BE

1989 Oldsmobile Ciera

Tiny

saherb

February, 17, 2011 AT 11:55 PM

1989 cutluss ciera engine runs and idles fine when I eccelerate slow to get up to speed its ok but when I try to pull out fast it back fires through throtle body and bogs down

FOUND 1025 RELATED QUESTIONS

Throttle Body

42 ANSWERS

Throttle Body Connection

12 ANSWERS
1 IMAGE

1 Answer

Tiny

rasmataz

February, 17, 2011 AT 11:59 PM

Could be one of the following below -check and test: Oxygen sensors.
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.
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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