Diesel Bombers - Lift pump test and now it won't start.

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- Chevy/GMC 6.2L and 6.5L (https://www.dieselbombers.com/chevy-gmc-6-2l-6-5l/)

- - Lift pump test and now it won't start. (https://www.dieselbombers.com/chevy-gmc-6-2l-6-5l/95630-lift-pump-test-now-wont-start.html)

ebarresi5894

05-08-2012 08:36 AM

Quote:

Originally Posted by Jeff Bennett (Post 892017)

Yes the OPS sensor will also cause the lift pump to turn off. When I replaced my fuel filter, I jumped my OPS sensor plug, and primed the filter that way. Alot easier on the starter than cranking the life out of it........:pca1:

will work with OBD1 not OBDII

r2d	05-08-2012 06:59 PM

UPDATE

Lift pump is dead. I installed the new lift pump today. WHAT A DIFFERENCE! It runs better and quieter. My injector pump must have had a good work out. I am glad I did the lift pump test. I got the truck in this condition and wouldn't have thought it normally ran like it was. Thank you for the help. Next:flushing the coolant and replacing radiator.

ebarresi5894

05-09-2012 08:07 AM

i wouldnt waste your time doing that..

r2d	05-09-2012 10:03 PM

Quote:

Originally Posted by ebarresi5894 (Post 892486)

i wouldnt waste your time doing that..

Doing what?

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