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2003 Ford Excursion Acceleration and Sputtering

Tiny
NARA0606
  • MEMBER
  • 2003 FORD EXCURSION
  • V8
  • 2WD
  • AUTOMATIC
  • 90,441 MILES
My excursion starts sputtering and shaking when accelerating, especially when I go between 40-55 miles per hour.
what could be the problem?

nara
Wednesday, April 29th, 2009 AT 8:21 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Has the check engine light come on? Also, have you had the fuel pressure tested?
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Saturday, June 20th, 2009 AT 10:02 PM
Tiny
CASHWORTH
  • MEMBER
  • 4 POSTS
One (or more) of your Coil Over Plugs, is bad. Very common on the EX's. Their about $90 a piece. You'll want to take it to a shop though, they have the tooling to test which one it is. Tell them to look at the COP's as it's a common problem. Has happened to me three times. I've replaced 5 already on my V-10.
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Saturday, March 20th, 2010 AT 6:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Cashworth can be right. THat is why I asked about the check engine light. A misfire should set the engine light on your engine and identify which one cylender is having the problems.
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Sunday, March 21st, 2010 AT 12:48 AM

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