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2003 Ford Focus HELPPPPP!

Tiny
SFARAJ
  • MEMBER
  • 2003 FORD FOCUS
Shakes or Wobbles problem
2003 Ford Focus 4 cyl Automatic

hi, my car jerks when it wants to change gears, it jerks and then changes the gear and its only one gear it jerks to.I dont know what to do
Sunday, September 19th, 2010 AT 4:42 PM

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 8:39 PM

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