excessive oil consumption & lots of smoke - Ford Powerstroke Diesel Forum
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Old 12-26-2007, 08:43 PM
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excessive oil consumption & lots of smoke

this is the first time posting here but i have read through alot of posts ( very good info) the problem i am having is that a couple of weeks ago i had my truck in the shop for a fuel pressure regulator at that time i think the #8 injector was knocking got the truck back and ran fine but the knock was still there and a week ago the truck started losing power going up hills and eventually died got it started back up and it has been useing alot of oil and alot of smoke but the truck runs good and has no codes there is smoke coming out of the oil filler neck when i take the cap off but not really alot of pressure i changed the fuel filter and didnt know at the time to check for the oil in the filter housing i think i am having to put in a gallon around every 80 miles any help would be appreciated it is a stock 2000 with 200,000 miles
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Old 12-26-2007, 09:41 PM
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Could it be that the original diagnosis should have been injector o rings...not fuel pressure regulator? ( I am just guessing)
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Old 12-26-2007, 09:51 PM
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when that happenned the truck wouldnt start at all and after they replaced the regulator it ran fine it just started smoking more and using more oil since that was done
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Old 12-26-2007, 10:52 PM
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Perhaps they pulled out some injectors and scuffed the orings, so now the high pressure oil pump is shooting oil into the injectors causing the smoke and oil loss. It is not hard to replace the injector external orings or find someone that can do the job correctly.
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Old 12-27-2007, 12:02 AM
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Yeah ...I suspect we have a case of "primary fault/secondary fault"
I am leaning toward the idea that maybe...just maybe..that the injector o rings leaked long enough that it stressed the fuel pump into wearing out...then it was replaced and worked better than ever.....but i am still just guessing.
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Old 12-27-2007, 12:49 PM
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would that also cause the smoke to go back through the motor and out of the filler neck,,also like i said the truck still runs pretty good except for the hard starting and the smoke screen
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Old 12-27-2007, 03:02 PM
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does anyone know the part number for the correct o ring kit i was told that there were 2 different kits and one was junk thanks
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Old 12-27-2007, 05:39 PM
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Have you been treating the diesel fuel since the advent of ULSD? When the change of lubricity occured (500ppm - 15ppm sulfur) many injectors have been lost as a result. I went to the Amsoil Diesel Concentrate right at the change and now have an increase of 1.7mph over the old fuel. I do not care to spend good money on injectors and oil pumps due to the loss of this natural lubricity in sulfer that has now been severly depleated. By the way, mine is an 01 7.3L Power Stroke.
Bob
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