1994 Ford Probe runs rough

Tiny
JMKERN1
  • MEMBER
  • 1994 FORD PROBE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 155,000 MILES
My 1994 ford probe runs and idles rough. It also back fires.
Monday, August 23rd, 2010 AT 12:30 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Monday, August 23rd, 2010 AT 8:19 PM

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