No power climbing a hill from dead stop
Current Situation I have a 98 HR Imperial 40' motorhome with a Cummins mechanical 6CTA8.3 @ 325hp. My problem is no power on a hill from a dead stop. --I live in Tennessee in the hills, and do to ...
Forum Discussion
Dald, did you have this issue last year? If not...retrace ALL your repairs made this spring
Any chance you changed filter brands?
Any chance your fuel got full of algae over the winter and plugged your new fuel filter?
Mechanical 8.3s do seem to have times when a take off from dead stop is less powerful than other times. I have been told this is a normal thing and to eliminate this..adjust the star wheel as stated previously. Cummins has the pump set very lean to make the EPA happy. The adjustment causes no adverse effects or long range problems...What is does is supply fuel faster...which causes the turbo to spool faster. Turbos can not spool if engine is not getting fuel.
Any chance you changed filter brands?
Any chance your fuel got full of algae over the winter and plugged your new fuel filter?
Mechanical 8.3s do seem to have times when a take off from dead stop is less powerful than other times. I have been told this is a normal thing and to eliminate this..adjust the star wheel as stated previously. Cummins has the pump set very lean to make the EPA happy. The adjustment causes no adverse effects or long range problems...What is does is supply fuel faster...which causes the turbo to spool faster. Turbos can not spool if engine is not getting fuel.
