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1998 Ford Escort

Tiny
98ZX2GIRL
  • MEMBER
  • 1998 FORD ESCORT
  • 4 CYL
  • FWD
  • MANUAL
  • 130,000 MILES
My car started lunging and making a grinding noise going down the road. It idles rough. My husband ran the exhaust no problems changed the fuel filter it just had timing chain and belts and tensioners replaced. The engine still holds compression.
Sunday, October 31st, 2010 AT 3:54 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. Manifold absolute pressure sensor
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Tuesday, November 2nd, 2010 AT 2:09 AM

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