Okay guys maybe you can help me out again. Recently installed 2 new pmds and have them on heatsink behind bumper now it isint grounded it's just placed behind grill not sure if that matters. Also did fuel cap mod as I was sold a gas model one so took the plunger out. It's a 95 c2500, it runs good until it warms up then it sputters coughs and dies. It takes about 4 miles to start acting up. I have tested the fuel pump by starting it and cranking open the t it has good flow for over a minute. I put in a new fuel filter yesterday to maybe help out but nope. Now when I Crack the bleeder I do have some air bubbles so maybe a leak somewhere? Any and all help is appreciated as I'm at a loss. Been tryong to research but I just get lost in it all. Having to borrow a friends spare suv to get to work and pick my kids up from school good thing for great friends right.