MY 1999 FORD EXPEDITION OS RUNNING VERY ROUGH WHAT COULD BE THE CAUSE

  • Tiny
  • Dutchron
  • 1999 Ford Expedition
  • 236,400 miles

Engine running very rough

Sunday, May 6th, 2012 AT 2:37 AM

2 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

Check for tune up, check fuel pressure check engine compression.

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Sunday, May 6th, 2012 AT 3:02 AM
  • Tiny
  • djcl
  • Expert
  • 786 posts

Spark plugs and coils are common to do this on this truck. If you have a scanner check codes see which cylinders are counting miss fires and swap coiles to see if the miss has moved

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Sunday, May 6th, 2012 AT 6:59 AM

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