2002 FORD MISFIRE, BUCKING ,JERKING UNDER LOAD

  • Tiny
  • hotrod65
  • 2002 Ford

Engine Performance problem
2002 Other Ford Models 6 cyl Front Wheel Drive Automatic 147000 miles

hi, I have a 02 ford windstar and we drove through some standing water and the car started cutting- out and back-fired a couple of times. Then it settled down and ran ok. Later, we noticed when we were goining up hill or the passing gear kicked in, the engine would cut -out or miss intermittently causing the car to buck and jerk. To my suprise, It has set no codes. I have been expecting a misfire dtc, but nothing. I am thinking maybe the coil pack is cracked or the crank sensor was damaged. I inspected the tone wheel on the harmonic balancer, all the teeth were straight and none were missing. Any advice would be greatly apprecieted.
thanks john

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Friday, June 11th, 2010 AT 7:09 PM

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  • Tiny
  • rasmataz
  • Member

Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position 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.

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Friday, June 11th, 2010 AT 7:14 PM

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