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2007 Chevy Impala Accelration

Tiny
PAMELAD82S
  • MEMBER
  • 2007 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 70,000 MILES
On my 2007 Chevy Impala, when I push on the gas to go, the car does not move, but the engine revs up. Then all of a sudden the car will jerk and then go. What could my problem be?
Monday, September 13th, 2010 AT 10:09 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If it's not slipping-see below:

Lack of acceleration, chugging, hesitating, jerking, bogging, misfiring etc. Could be caused by 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.
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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Monday, September 13th, 2010 AT 5:35 PM

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