rough idle after engine gets to operating temp.
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Diesel Fan
Joined: Jun 2016
Posts: 11
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rough idle after engine gets to operating temp.
2008 F 450 6.4
engine runs great cold, after it runs about an hour, it still runs great at higher rpm,
but idles rough.
i get an error " low fuel rail pressure" occasionally
i have put in new filters, new lift pump and new crankshaft sensor.
still same problem
Any help would be greatly appreciated.
engine runs great cold, after it runs about an hour, it still runs great at higher rpm,
but idles rough.
i get an error " low fuel rail pressure" occasionally
i have put in new filters, new lift pump and new crankshaft sensor.
still same problem
Any help would be greatly appreciated.
