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1994.5 - 1997 7.3L Power Stroke Diesel  

White smoke even when warm

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Old Nov 10, 2014 | 12:10 AM
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White smoke even when warm

Ok so recently my 96 psd decided it wanted to start puttin out white smoke even after the motor warmed up. I have replaced o-rings and valve cover gaskets before not too long prior to this incident. Is it true that if you dont use the ford motorcraft o-rings any of the others will just junk out within not even a thousand miles? Just wondering what the hell is going on with it. It actually runs great only time you can feel a miss is if I'm sittin in the driveway in park and rev it to around 1500 or a little shy of that. Thanks in advance.
 
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Old Nov 10, 2014 | 02:14 AM
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From: Monroe City in
Are you saying you just replaced injector o rings with no ford/alliant ones? If so then it sounds like you found the problem. The rev test like you did is one way to see if the injector o rings are bad. Also check your fuel filter and see if it is black. If the o rings are bad you will start getting oil in your fuel.
 
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Old Nov 10, 2014 | 06:00 AM
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Just plain old generic o-rings will not work in anything fuel or HPOP related. You must get the ones designed for that specific application.
 
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Old Nov 10, 2014 | 03:46 PM
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I did order specific o rings for my injectors yes but not from ford dealership they were aftermarket ones which at the time i thought were fine. But after the fact of ordering them I started readin some online forums where people were sayin only order the ford ones...
 
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