RUNS ROUGH

1994 Ford Probe

Tiny

jmkern1

August, 23, 2010 AT 12:30 PM

Engine Performance problem
1994 Ford Probe 6 cyl Two Wheel Drive Automatic 155000 miles

my 1994 ford probe runs and idles rough. It also back fires.

FOUND 4480 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

rasmataz

August, 23, 2010 AT 8:19 PM

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.

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