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1995 Pontiac Bonneville

Tiny
LTDINK2937
  • MEMBER
  • 1995 PONTIAC BONNEVILLE
Engine Performance problem
1995 Pontiac Bonneville 6 cyl Front Wheel Drive Automatic alot miles

not sure if you can help my car all of a sudden has lost power, wont accelerate seems to bog down. How would you be able to tell if it is a fuel problem or possibly a plugged cat.
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Tuesday, February 16th, 2010 AT 4:49 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below:

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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Tuesday, February 16th, 2010 AT 7:43 PM

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