12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

gray smoke

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  #1  
Old 11-29-2010, 10:08 PM
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when i get my rpms about 2500 is when it starts smoking and it is gray smoke and im not sure what it means or how to fix it
 
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Old 11-29-2010, 11:04 PM
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do u have big injectors? is ur antifreeze good? any oil in it? etc.
 
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Old 11-29-2010, 11:09 PM
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you need to fill out your sig bud so we know what your runnin.
 
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Old 11-29-2010, 11:34 PM
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x2 on the sig. helps out every now and then
 
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Old 11-30-2010, 07:32 PM
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is it warmed up when it smokes gray?
 
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Old 12-01-2010, 09:31 AM
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Mine does it too, still trying to figure out why. Warm 4th and 5th gear mostly.
 
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Old 12-02-2010, 09:19 AM
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mines did it this morning at 4,000 RPM in 4th only but it was not quite warm
 
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Old 12-02-2010, 08:28 PM
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yes it is warmed up and i have 100 horse injectors with fuel turned up and yes all my fluids are checked and they are not the right level and no water in oil or no oil in the water
 
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Old 12-15-2010, 09:11 AM
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Have you had you injectors popped? The reason I ask is I had the same problem. My timing was at 12*, I bumped it to just over 15*, same smoke. Got my SDX 2s in, no more gray smoke. Just an idea.
 
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