No load smoke
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No load smoke
1994 F-350, starts and runs great under a load. At idle smoke a little, under no load, such as coming down a hill half throttle, smoke is terrible. Blue in color and burns nose and eyes. Under a load smoke clears up, has plenty of power under a load. New filter, conditioner and injector cleaner and two tanks of new fuel run through system. I just purchased to pull trailer with mini excavator and light dump loads. Runs great except for this smoke.
Truck sat for about a year without running prior to my purchase. Ideas?
Thanks,
Wayne
Truck sat for about a year without running prior to my purchase. Ideas?
Thanks,
Wayne
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Joined: Aug 2006
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1994 F-350, starts and runs great under a load. At idle smoke a little, under no load, such as coming down a hill half throttle, smoke is terrible. Blue in color and burns nose and eyes. Under a load smoke clears up, has plenty of power under a load. New filter, conditioner and injector cleaner and two tanks of new fuel run through system. I just purchased to pull trailer with mini excavator and light dump loads. Runs great except for this smoke.
Truck sat for about a year without running prior to my purchase. Ideas?
Thanks,
Wayne
Truck sat for about a year without running prior to my purchase. Ideas?
Thanks,
Wayne
how much have you driven it since you bought it ?...
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I've had it for about 2 months, maybe 750 miles in total. I think I have driven enough to get the cobwebs out. When I first started it ran rough and smoked much worse. The fuel conditioner treatment and injector cleaner helped almost immediately as far as smoothing out how it ran. Does not lack at all for power, just the dang smoke.
Thanks for your help [and the welcome].
Wayne
Thanks for your help [and the welcome].
Wayne
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Not black smoke at all Neal, thats the strange part. At light throttle to maintain speed on a downgrade the smoke is very heavy and blue/white. Smells of raw fuel. If I let off the throttle completely the smoke stops or put a load on by accelerating, the smoke stops. Well it doesn't stop. it becomes normal black smoke of burned fuel. I've been around a lot of diesel engines over the years [never a PSD] the closest to this situation is an like an old Detroit with bad rings that doesnt burn the fuel completely, but that is all the time, idle under load, doesn't matter. Plus I have great power and it only smokes when not under a load, which doesn't lend itself to bad rings.
Wayne
Wayne
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When I got mine it smoked like a freight train ,,it also had been sitting awhile ...Very soon ,,the IPR stuck & it wouldn't run,,,after changing the IPR ,,the smoke went away ,,,
On a gasser ,,what you are describing ,may be valve seals ..
but yours is fuel ,not oil ...IPR could be sticking closed a bit too long ..do you have access to a scanner ?...
On a gasser ,,what you are describing ,may be valve seals ..
but yours is fuel ,not oil ...IPR could be sticking closed a bit too long ..do you have access to a scanner ?...
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From: Silver Lake Dunes, MI
That changes things. You will want to go one forum down. I will contact a mod to move this thread for you. They will be able to help you in the IDI forum. Good Luck!