5 Attachment(s)
In Need Of Some Guidance /Were To Start My Search
Not to sure where to go from here. I have been having a rail pressure issue and need help figuring out what the possibilities could be
i did flash in a factory tune and seems to have some of the same issue just doesn't seem as bad
the problem i'm having is that the rail pressure seems to drop 4-5k psi bellow commanded when i go to wot
on lower throttle it seems fine it only happens when i go wot
the truck is a 2003 250hp 5 speed truck
injectors have around 150000 km
everything else has 608000 km
fuel filter get changed every oil change
around 12000 km intervals
fca was replaced last year
i have a rail plug installed
cant find any obvious leaks on the high pressure side
i am planning on installing a fuel pressure gauge for the lift pump in the very near future
not to sure if my cp3 is getting tired
seems to have started in the last 4-5 months
i have had this set up run 26k psi rail pressure before with out any issues
this is a screenshot of what's happening, the log file and the tune being run
Attachment 111350
Attachment 111351
Attachment 111352
this is factory tune with the pedal map changed and some of the limiters gone
Log:Attachment 111353
Tune:Attachment 111354