rough idle

1995 FORD EXPLORER
82,000 MILES • 6 CYL • 4WD • AUTOMATIC
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ARNIE19
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  • 1 POST
I have a 1995 ford explorer ,82,000 miles .It is idling rough and misses up to atleast 45 mph .Seems to run fine at highway speeds .Any idea what to check or replace first ?
Nov 21, 2010 at 4:53 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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 plug
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
Nov 21, 2010 at 5:06 PM
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