Forum Discussion

BobsYourUncle's avatar
BobsYourUncle
Nomad
Aug 29, 2013

Dmax limp mode, fuel rail pressure too low - Anyone else?

A few weeks back I went on a working trip that involved one of our major mountain passes. It was hot out, I'm towing my 27' TT with my D/A dually and I no sooner hit the beginning of the Coquihalla...
MrWizard's avatar
MrWizard
Moderator
Aug 29, 2013
sounds like a fuel pump problem
is there a pump in the fuel tank, or on the frame near the fuel tank ?

problem is UP hill Under load ... not going down hill or level ground

you have a weak pump or maybe a bad fuel tank cap, not venting and causing a partial vacuum in the tank

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,344 PostsLatest Activity: Mar 27, 2025