1996 Ford Contour jerking

Tiny
SHENHAI
  • MEMBER
  • 1996 FORD CONTOUR
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
After the car reachs normal temperature, it start jerking or buck. Pushing accelerator would not get power, but increase noise. This symptom lasts about 1 to 2 min. Then the car run good. Check engine light is not on. What is the potential problem? Thanks.
Sunday, September 19th, 2010 AT 11:39 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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Sunday, September 19th, 2010 AT 10:45 PM

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