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Accelaration problems

Tiny
MYBRAINMAN
  • MEMBER
  • 1996 OLDSMOBILE CIERA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 235,000 MILES
I have a 1996 Oldsmobile Cutlass Ciera with a 3.1SFI motor, I am haveing a problem at speeds between 35-40. It seems like it will not shift. This problem has developed after the 1 year warranty on the new transmission has run out. I have replaced a fuel injector that was missfiring, plugs and wires, coils, and Ignition modul but It is still giving me the problem. Any thing that I may have missed. What ever it is it is not tripping the Check Engin Light. Thanks for any info.
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Saturday, April 16th, 2011 AT 4:33 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try scanning the computer for code/s-Possible causes here coule be 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.
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 and keep testing.
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Saturday, April 16th, 2011 AT 4:40 AM

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