RUNS ROUGH NO POWER

1998 Ford Ranger

Tiny

ssimek

August, 15, 2010 AT 7:02 PM

Engine Performance problem
1998 Ford Ranger 4 cyl Two Wheel Drive Manual 147000 miles

Idled rough stalls no power. New plugs. Wires maf. Iac sensor egr working can't find any vacume leaks cat not pluged

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

rasmataz

August, 15, 2010 AT 8:31 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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