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1989 Ford Crown Victoria My friend's Crown Vic's engine has

Tiny
JOEMERCHANT2006
  • MEMBER
  • 1989 FORD CROWN VICTORIA
  • V8
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
So my girlfriend just bought a Crown Victoria for her first car. It has a miss in the engine. I have changed the spark plugs in it and its still there. Also there is a hesitation under medium acceleration. What could be the problem? Does the distributor need to be advanced up or retarded down?
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Sunday, September 19th, 2010 AT 11:49 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, jerking, bogging, misfiring etc. 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.
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 it.
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Monday, September 20th, 2010 AT 12:04 AM
Tiny
BALONI33
  • MEMBER
  • 2 POSTS
Have the same car check the fuel filter
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Friday, October 8th, 2010 AT 9:34 PM

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