rough idle

2001 FORD ESCORT
114,000 MILES • 4 CYL • FWD • AUTOMATIC
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TERRYNOE
  • MEMBER
  • 3 POSTS
i have a 2001 ford escort with a 4 cyl engine that idles rough. can you tell me what might be causing that?
Feb 18, 2011 at 4:46 PM
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it-
Mar 18, 2011 at 2:27 AM
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