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white smoke and running rough

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Old Jul 9, 2009 | 02:41 PM
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white smoke and running rough

I took a little hour trip from my house last night, and when i got where i was going i noticed my truck sounded different, it was a lot louder and the idle was lower, i got out and was standing behind the truck while it was running and noticed that the exhaust had a very strong smell, so i got in the truck and revved it up and it sputtered and blew white smoke... I started it up this morning and it was still doing the same thing, but i managed to get it home... does this sound like injectors or what could it be? the oil in it is good, im running a dp tuner with 5in exhaust, cold air intake, if i put the truck in stock mode it really has a hard time running and will some times even die, but when its in a tune it wont die just runs rough.
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Old Jul 9, 2009 | 02:52 PM
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Maybe you got some bad fuel on your last fill up.. Have your fault codes read..
 
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Old Jul 9, 2009 | 02:59 PM
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I thought i may have been bad fuel too since when i got there i was low on fuel but when i filled up and drove back this morning it was still doing the same thing, and i put lucas fuel treatment in there. im not throwing any ses lights
 
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Old Jul 9, 2009 | 04:00 PM
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Is the smell you are identifying a raw fuel smell along with the white smoke? White smoke is from fuel collecting in the cylinder after shut down. Might want to give the injector O-rings a gook looking at or check the harness under the valve covers to see if it has come unplugged.
 
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Old Jul 9, 2009 | 04:03 PM
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Injector cup possibly... Look for fuel/oil in the coolant de-gas bottle.
 
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Old Jul 9, 2009 | 04:18 PM
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Blown o-ring on one of the injectors.
Time to pull them all and replace them.
 
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Old Jul 9, 2009 | 04:37 PM
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Are you sure it wasn't a coolant smell?
 
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Old Jul 9, 2009 | 08:38 PM
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im positive there's no coolant in the oil. there is no white smoke now, i changed my fuel filter and the truck seems to be doing a little better. i dont know how to describe the smell i guess it was raw fuel but it was strong enough to start burning my eyes while i was standing there.
 
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Old Jul 10, 2009 | 10:28 AM
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From: Hoschton,GA
Originally Posted by ldfry001
im positive there's no coolant in the oil. there is no white smoke now, i changed my fuel filter and the truck seems to be doing a little better. i dont know how to describe the smell i guess it was raw fuel but it was strong enough to start burning my eyes while i was standing there.

Either you have a stuck open injector or the under cover valve harness(UVCH) has come unplugged.
 
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Old Jul 10, 2009 | 10:40 AM
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Originally Posted by Kwikkordead
Blown o-ring on one of the injectors.
Time to pull them all and replace them.
I have to 2nd this!
 
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Old Jul 10, 2009 | 04:24 PM
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THIRD....wheeeee
 
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