1994.5 - 1997 7.3L Power Stroke Diesel  

blue/white smoke

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Old 11-11-2005, 11:39 AM
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rocco913
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blue/white smoke

i was wondering in cold morning startups, no matter if the truck has sat overnite or a couple of days i get blue smoke on startup. it puffs blues smoke until i drive away and clears up right away. I have no power loss or anything like that just blue smoke. I have read it might be the o rings on the injecters leaking oil. Is this bad for the truck or can u just let the oil burn off.
thanks
 
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Old 11-11-2005, 12:13 PM
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how many miles on the truck? what year?

the white smoke is somewhat normal on a cold start its not burning all the fuel its getting untill it warms up a little. if theres alot you may have a couple gowplugs that arnt working. and the blue smoke is problably oil from the injector orings. a little is ok depending on how many miles it may be time to replace the orings. if its clearing up and running good i wouldnt worry bout it.
 
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Old 11-11-2005, 01:24 PM
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sorry it's 1995 w/ 134k on it. It clears up as soon as i start driving. Thanks for the info
 




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