Any help please? I have a 95 k2500 6.5 turbo vin f, I have a heath turbo master, cold air intake, full guages 4 inch exhaust with 3 inch down pipe. The problem I have is going up hills and heavy acceleration truck skips. I've replaced pmd with remote and new pmd as well, ops sensor,lift pump, new fuel tank and lines with sending unit and truck has 133k on it and injection pump was rebuilt at 100k and no check engine lights on either.