2002 Ford F-100 Hesitation

2002 FORD F-100
13,000 MILES • V8 • 4WD • AUTOMATIC
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DAVEKOCH
  • MEMBER
  • 1 POST
My truck has 130,000 miles. Just recently it hesitates bad during acceleration. Sometimes I can't even get on the freeway. I replaced the fuel filter. I checked the plugs and the coil overs. I cleaned the mass air flow sensor. It just does't make sense.
Mar 2, 2010 at 9:53 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect and test all the following listed below and get back with some results.

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.
Mar 2, 2010 at 11:03 AM
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