2003 FORD EXPLORER HESITATION.

  • Tiny
  • JJezone
  • 2003 Ford Explorer
  • 100,000 miles

Only happens coming off of cruise around 40 mpr during 3/4 pedal acceleration.
Cleaned Mass air flow. No change
Drove with vacuum line off of Erg. No change

Sunday, December 18th, 2011 AT 5:50 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

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.

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 and keep testing

http://www.2carpros.com/articles/engine-hesitates

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Sunday, December 18th, 2011 AT 5:56 PM

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