2007 Ford F-150 my truck shakes

Tiny
JEREMY ROBINSON
  • MEMBER
  • 2007 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 215,639 MILES
My truck shakes alot but only when im sitting still. It does good on the road. I have changed my plugs and coil paks what else could it be?
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Wednesday, October 20th, 2010 AT 5:11 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
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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Wednesday, October 20th, 2010 AT 6:34 PM

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