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2002 Ford Escort hesitation

Tiny
THIBS55
  • MEMBER
  • 2002 FORD FIVE HUNDRED
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
What would make my 2002 ford escort hesitate while driving and idling
Sunday, April 10th, 2011 AT 10:12 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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.
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Sunday, April 10th, 2011 AT 10:13 PM
Tiny
THIBS55
  • MEMBER
  • 2 POSTS
Thanks very much for your help!I checked for any fuel leaks around filter or lines or tank & found none, I re-gapped my spark plugs, changed my plug wires that were loose, cleaned my battery posts well and changed both cable connections, then drove 10 miles to let computer reset, filled up with a good grade gas and drove back. Seems to be working much better. Thanks again for your help.
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Monday, April 11th, 2011 AT 1:24 AM

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