1999 Ford Expedition shakes when I stop.

Tiny
JOHANNA25
  • MEMBER
  • 1999 FORD EXPEDITION
  • V8
  • 2WD
  • AUTOMATIC
  • 106,000 MILES
Why does my car shake when I stop? Or sometimes is accelerate.
Saturday, January 2nd, 2010 AT 12:13 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like its misfiring/running rough:

Could 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
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Saturday, January 2nd, 2010 AT 12:38 AM
Tiny
KMCGEE
  • MEMBER
  • 2 POSTS
If this is occurring mostly when you step on the brake the rotors may be warped and probably just need to be turned.
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Monday, February 15th, 2010 AT 6:15 PM

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