2004 FORD F-250
190,000 MILES
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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?
Feb 17, 2013 at 10:59 PM
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ASEMASTER6371
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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
Feb 18, 2013 at 12:27 AM
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