94 villager lack of power

1994 MERCURY VILLAGER
217,000 MILES • 6 CYL • FWD
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CLAXTON51
  • MEMBER
  • 1 POST
i have a 94 mercury villager. it runs fine when cold. after engine warm up there is no power when taking off from a stop , but idles fine in park. runs rough in gear after warming up
Feb 18, 2011 at 10:47 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Could be one of the following below -check and test:

Oxygen sensors.
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.
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 9, 2011 at 6:01 PM
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