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Diesel fueling
Well like a dummy I bought an 02 GMC 2500 HD 5800.00 cash LB7. Has cold air intake PPE tuner 4” exhaust system 4” lift. I have a scan tool. Rail pressure and HPP numbers look good Injectors .03-.06 so good numbers there, better than my truck. Runs great but cranks for a solid 5 count and then...