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1994 Pontiac Grand Am poor performance

Tiny
EAGLE0001
  • MEMBER
  • 1994 PONTIAC GRAND AM
Engine Performance problem
1994 Pontiac Grand Am 6 cyl Front Wheel Drive Automatic

I have a 94 grand am 3.1 automatic car starts and runs great but when I go to accellerate it bogs down and doesnt want to accelerate unless I take off easy then it will go and when going down the road if I try to accelerate lighly it will start to miss until I step harder and the will go but all around doesnt have the power a 3.1 should have
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Wednesday, March 10th, 2010 AT 1:25 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Wednesday, March 10th, 2010 AT 6:03 AM

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