no power

6 CYL • 4WD • AUTOMATIC
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JHNNYB
  • MEMBER
  • 1 POST
1994 ford explorer- no power while driving hav changed fuel filter, pcv valve, oil change and mss air flow sensor any suggestions
Jun 13, 2011 at 8:18 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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.
Jun 13, 2011 at 11:29 AM
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