1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

White Smoke ?

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Old 10-12-2012, 05:53 PM
1993cummins's Avatar
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Default White Smoke ?

My truck smokes a little white when I first start up and when i rev it while stopped ..... is this bad or is it just because my smoke screw hasn't been tampered with....Other than this it runs awesome shes a 1993 w250
 
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Old 10-12-2012, 06:53 PM
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Turbo Mighthave some blow by?
 
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Old 10-12-2012, 10:44 PM
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Originally Posted by bladeyamaha
Turbo Mighthave some blow by?
I am going to try and turn up the fuel screw on monday and see if it puts some darker smoke into it ..... haha ... do you think that it will harm the engine ?
 
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Old 10-14-2012, 11:35 AM
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Turning up the fuel will not fix it. Adjust the valves.
 
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