Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

Lift pump test and now it won't start.

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Old May 8, 2012 | 08:36 AM
  #11  
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From: Rehoboth, MA
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Originally Posted by Jeff Bennett
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........
will work with OBD1 not OBDII
 
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Old May 8, 2012 | 06:59 PM
  #12  
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r2d
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From: IL
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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.
 
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Old May 9, 2012 | 08:07 AM
  #13  
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i wouldnt waste your time doing that..
 
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Old May 9, 2012 | 10:03 PM
  #14  
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r2d
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Originally Posted by ebarresi5894
i wouldnt waste your time doing that..
Doing what?
 
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