p1211 help
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Joined: Dec 2005
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From: Hemet, California
p1211 help
Sorry phone won't let me use search keeps closing the box. 2003 F-250 7.3 4x4 kicked up p1211 high injector pressure and a misfire on cylinder 8. New to diesels any help is appreciated
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Joined: Jul 2008
Posts: 12,782
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From: N.GA Mountains
P1211 is common for some chips/programmers. Also can come from using cheap or non-diesel engine oil.
As far as the misfire on #8, it would be helpful to see a cylinder contribution test and rotational velocity - these are available DIY using Auto Enginuity (PC-based scan tool). However, a dirty fuel filter could cause this since that injector is at the end of the rail - especially with a chip/programmer...
As far as the misfire on #8, it would be helpful to see a cylinder contribution test and rotational velocity - these are available DIY using Auto Enginuity (PC-based scan tool). However, a dirty fuel filter could cause this since that injector is at the end of the rail - especially with a chip/programmer...
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