2003 Ford Explorer hesitation.

Tiny
JJEZONE
  • MEMBER
  • 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 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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

https://www.2carpros.com/articles/engine-hesitates
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Sunday, December 18th, 2011 AT 5:56 PM

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