Misfire all cyclinders - Ford Powerstroke Diesel Forum
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Old 06-30-2011, 08:08 AM
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Misfire all cyclinders

Yesterday my 04 6.0 started to smoke (dark). Today I connected my AutoEnginuity. found that I'm misfiring on all cyclinders. No check engine light. 140K plus miles, have had the truck since 52K. I haven't check the glow plugs. Is it time?
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Old 06-30-2011, 08:39 AM
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Possibly bad ficm.Thats electronic and fires all the cylinders.Check your voltages and see what comes up.I sold two today at work here so far and its 12:30 now.
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Old 06-30-2011, 06:21 PM
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Yes, its time to check your ficm voltage output. You could also have low fuel pressure or a high pressure oil leak also. If you got a code for all 8 injectors then you need an FICM or reseat the plug. Does it run better when warmed up? Any hot starting or long crank time problems?
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