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2002 Chevy Malibu No power

Tiny
JONMGOLD
  • MEMBER
  • 2002 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 71,000 MILES
My car has no problem from take off but right after it seems to bog down then once it gets to where it's time to shift it acts like it doesn't want to but if I let off the gas it will shift but then the power is gone again I thought it might be the transmission but it does it if I put it in 1st 2 nd or 3rd gear but no problem in N I have tried a new mass air flow sensor and new fuel filter what could be my problem thanks for any help
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Tuesday, July 20th, 2010 AT 11:43 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed 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.
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 it.
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Wednesday, July 21st, 2010 AT 5:40 AM

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