Chevy/GMC Heavy Duty Discuss your 2500 and 3500 Chevy and GMC pickups as well as the DURAMAX diesel and it's predecessors

1984 GMC2500 6.2 diesel light blue smoke

Old Jan 3, 2011 | 05:48 PM
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calebdugger1991's Avatar
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Default 1984 GMC2500 6.2 diesel light blue smoke

I have a 1984 GMC 6.2 diesel
when i hit bout 50mph to 65mph light blue smoke is pooring out the passanger tail pipe and i know its running rich cuz i can smell it and it acts like it has no power and it spits and spudders and i would like to know if anyone has any idea on what could be the cause of this and iv owned this truck for about 4 weeks and this is the first time it has done this and on another note this is the frist diesel i have ever owned and its been a great truck any ideas on what this could be would be really helpful
 
Old Jan 9, 2011 | 02:27 AM
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delta's Avatar
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What could be the cause of this and iv owned this truck for about 4 weeks and this is the first time it has done this and on another note this is the frist diesel i have ever owned.

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Last edited by delta; Sep 7, 2011 at 03:23 PM.
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