GMC 6.5 Help!! - Diesel Bombers

Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

GMC 6.5 Help!!

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Old 01-10-2018, 08:02 PM
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Default GMC 6.5 Help!!

I have a 2001 GMC Van with a 6.5 engine that has a problem ! I put a reman. IP on it about 1.5 years ago and remounted the PMD in the grill. About 1 mounth ago it started loosing power when you have to make it pull and starting bad now that its has getting colder. So I pluged it up and it start great now. When I drive it it will not rev. up and smokes like crazy! It does not rev. like the pump is bad .I changed the PMD and it changed nothing.Also replaced the LP.Not sure where to go from here!
 
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