2003 Ford Explorer Repair Question
Asked on December 18, 2011
2003 ford explorer hesitation.
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
Cleaned Mass air flow. No change
Drove with vacuum line off of Erg. no change
Asked by JJezoneAnswer
Replied on December 18, 2011
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
