Injector Problem - Ford Powerstroke Diesel Forum
 
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post #1 of 3 Old 04-20-2007, 02:21 AM Thread Starter
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Injector Problem

Ive been having some white/blue smoke under heavy throttle lately, it use to be just at low rpm 900-1100. When it would happen between 900-1100 rpm the truck would shake "miss", I think I have narrowed it down to the #8 injector. If I look at my cylinder rotaionnal values with A.E. the #8 is seeing 3-4%, while the other 7 never see more then 1% usually they stay at 0%. Also this is an intermediate problem, sometimes my truck runs great, others times not. A change in outside temp seems to make a differance, lately in CT it could be below freezing or up to 70deg. It seems to act up the most when the temp changes.

2000 F-350 Super Cab Short Bed 7.3 Diesel
Pyro, Trans, Boost Gauges, 6637 Filter, CCV Mod, In Tank & Pre-Pump Mods, SS HPX, Van Turbo, 305-70-16 Firestone M/T's
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post #2 of 3 Old 04-20-2007, 03:05 AM
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Is this just more on start up, or are you up to operating temps? If it is on start up, it maybe a bad glow plug relay, or glow plug. Just a thought.


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post #3 of 3 Old 04-21-2007, 01:31 AM Thread Starter
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Not at start up, just while running. It is intermediate so it happens cold and/or up to normal running temp.

2000 F-350 Super Cab Short Bed 7.3 Diesel
Pyro, Trans, Boost Gauges, 6637 Filter, CCV Mod, In Tank & Pre-Pump Mods, SS HPX, Van Turbo, 305-70-16 Firestone M/T's
AutoEnginuity.
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