1998 Ford Ranger runs rough no power

Tiny
SSIMEK
  • MEMBER
  • 1998 FORD RANGER
  • 4 CYL
  • 2WD
  • MANUAL
  • 147,000 MILES
Idled rough stalls no power. New plugs. Wires maf. Iac sensor egr working can't find any vacume leaks cat not pluged
Sunday, August 15th, 2010 AT 7:02 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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Sunday, August 15th, 2010 AT 8:31 PM

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