Hey guys, just recently I’ve been having some issues with my 2000, 2500 Cummins where it takes a couple more cranks to start and also seems to drop 3 ish lbs of fuel pressure upon hard acceleration according to my gauge. Any tips on what it could be? Air leak?

 

what are you running for fuel system upgrades, what gauge, where is it tied in

 

Fass system, fuel pressure gauge not quite sure where it’s tied in

 

what pressure is it running at idle, full throttle acceleration?

 

idle it’s at 16/17 under hard acceleration it will drop to maybe 13/14 but thing is it runs like a top it just doesn’t like starting well

 

fuel pressure sounds just fine, if the filters have some age that's probably the pressure drop. As far as teh starting you can try tightening the fitting on the back of the head, or replace the seal washers on it

 

fittings on the head are tight, actually started having this issue of hard start since I tightened them back up again, fuel filters are only maybe a month old.

 

Hey guys update, checked my lines going to the head and one was leaking the tiniest bit of fuel which I’m sure is causing my issue. Took it off and cleaned tf out of it with brake clean and it now seals up as it should

 

Has the problem went away as well?

 

nope but I believe it has something to do with the return lines