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It is a 2004 F-250 with a late 2003 6

Tiny
ANONYMOUS
  • MEMBER
  • 2004 FORD F-250
  • 190,000 MILES
It is a 2004 f250 with a late 2003 6.0l motor it runs really ruff on start up an when driving. It seems like a misfire but it goes away some when it reaches around 2000rpms. What could cause the misfire?
Sunday, February 17th, 2013 AT 10:59 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Cold could be bad glow plugs.

Otherwise, you need to go back to basics. Compression, fuel pressure, in this case high pressure oil pump and the injectors need to be checked

Roy
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Monday, February 18th, 2013 AT 12:27 AM

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