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-   -   Whit needs help 6.5 (https://www.dieselbombers.com/chevy-gmc-6-2l-6-5l/40166-whit-needs-help-6-5-a.html)

Whit 01-08-2010 06:39 AM

Whit needs help 6.5
 
I volunteered to work on a friends 6.5.............it just up and quits running sometimes, re starts but hard

I think its fueling issues but I aint never worked on one of these things

it will be in my shop on monday.....any tips or guidence here????

Woody35 01-08-2010 06:46 AM

what year? any codes? if its fuel make sure fuel filter is clean. check to see if lift pump is working. put fuel pressure gauge up to t handle in front of engine and see how much pressure its putting out. blow out fuel lines to insure no crap is restricting them. there is a sock in the tank that filters out also and sometimes that gets really clogged. check that. i bet he has a restriction somewhere and lp cant pump enough fuel to get around it to supply the engine. also check for airleaks

Whit 01-08-2010 06:51 AM

Im not sure yet, he told me once but I forgot, Whit is gettin old cant remember shit

Jazz 01-08-2010 06:59 AM


Originally Posted by Whit (Post 466810)
Im not sure yet, he told me once but I forgot, Whit is gettin old cant remember shit

S.H.I.T.... What he meant was, Simply How I Think :c:

wildbill 01-08-2010 10:34 AM

Wonder if the PMD is going bad??

Whit 01-08-2010 10:52 AM

I think its fuel related as well.........I am starting at the tank....he has the bed off so that will make it somewhat easier

what is a PMD?????

wildbill 01-08-2010 11:00 AM

It's some sort of module that controls the injection pump.

Whit 01-08-2010 11:05 AM

so its electronic and nuttin I can do other than replace it eh?

Woody35 01-08-2010 03:34 PM

it would be better if you relocated it to the bumper with a new pmd attached. gotta start with easiest things first. pmds are 300 bucks new

Whit 01-11-2010 03:31 PM

the whole fuel system is full of crap............seams like its paint flakes????????

the thing is runnin like a raped ape now..........well yaknow maybe a 6.5 can just run like an ape......forget the raped part :w2:


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