1994 Ford Probe runs rough

1994 FORD PROBE
155,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JMKERN1
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  • 1 POST
my 1994 ford probe runs and idles rough. it also back fires.
Aug 23, 2010 at 12:30 PM
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RASMATAZ
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  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

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.Idle air control valve.
Aug 23, 2010 at 8:19 PM