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2003 Buick Regal Car jerks when accelerating from stop

Tiny
ROGER ROENFELDT
  • MEMBER
  • 2003 BUICK REGAL
Transmission problem
2003 Buick Regal 6 cyl Front Wheel Drive Automatic

I recently had the transmisson serviced and front brakes repaired the car has 110000 miles on it had no problems with it but now every once in awhile the car will jerk when accelerating it shifts great I changed the fuel filter but it still does this once in awhile!
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Friday, October 15th, 2010 AT 10:41 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Friday, October 15th, 2010 AT 11:52 PM

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