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Ok my I was crusing down the Interstate this moring and the fuel pressure gauge while going 70mph... would go from the normal 10psi down to 5psi and then back up and then back down. . you get the picture. . Has never done this before. .
Is this a sign of the pump starting to give out or is...
Deon that truely sucks... I can see they dont want to be replacing the pumps for no reason. . just doesnt seem rite ya know. . I guess I am going to look into running duel lift pumps, one in the back by the tank to help out the other on the motor. .
read an article on this and they are...
I can see it being any of the above. but I want to figure out which it is cuz that cant be good to be let'n our rigs running with 0psi on the pump... more or less starving the pump ya know. . hmmmm???
That sounds just like what mine is doing... Let me know how the new pump works for ya. . This morning it was around 7* here and it did just as you said. . I started the truck and idled at like 7psi and tapped the gas to say 1500rpms and the fuel pressure went to 0psi. . and slowly came back up...
Something I had on my 01 was I had a bad rear ujoint. everytime my auto would shift it would vib and then smooth out. . Just something to check. . and simple if so...
matt
My 01 Ram truck when I start it up for the the first time in the morning has low fuel pressure. then after I run the truck for 15 miles or so will then level off at what i consider the norm on my truck. . My question is this: Do the lift pumps take a bit to warm up as with the rest of the...