1997 Ford Truck idles rough

1997 FORD TRUCK
203,000 MILES • V8 • 4WD • AUTOMATIC
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GMAN250
  • MEMBER
  • 1 POST
replaced plugs wires coils fuel filter
Feb 11, 2010 at 6:33 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Rough/Misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel
Feb 11, 2010 at 7:14 PM
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