Rough idle

Tiny
TERRYNOE
  • MEMBER
  • 2001 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 114,000 MILES
I have a 2001 ford escort with a 4 cyl engine that idles rough. Can you tell me what might be causing that?
Friday, February 18th, 2011 AT 4:46 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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-
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Friday, March 18th, 2011 AT 2:27 AM

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