1998 Ford Escort

1998 FORD ESCORT
130,000 MILES • 4 CYL • FWD • MANUAL
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98ZX2GIRL
  • MEMBER
  • 1 POST
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.
Oct 31, 2010 at 3:54 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
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
Nov 2, 2010 at 2:09 AM
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