Is there any credibility to this? Asphaltene
11-02-2017, (Subject: Is there any credibility to this? Asphaltene ) 
Post: #16
RE: Is there any credibility to this? Asphaltene
(11-02-2017 )gatow900 Wrote:  Maybe your having fuel restriction not enough fuel or getting air in the fuel. Like the vp44 pump for cummins 5.9 there lift pump was to weak to keep pressure. Diesel cools and lube the pump

Thanks for the thoughts but I had the truck in the shop and they ran a pressure check and it was within tolerances. Not sure about the 5.9 but this is a ISX 15 litre. They may have similar designs.
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RE: Is there any credibility to this? Asphaltene - Batman68 - 11-02-2017



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