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  1. C

    02 hard start when hot

    Just for future reference the pump was bad
  2. C

    02 hard start when hot

    Pressured up the system didn't see any leaks. I'm going to say its going to be a pump problem. I pulled the line from fuel filter housing to cp3 blocked off and pulls 13-15in of vacuum when hot or cold. I thought it was kind of low should be around 18inhg correct
  3. C

    02 hard start when hot

    Replaced both still same problem
  4. C

    02 hard start when hot

    The rubber lines are new from ficm to filter housing and from filter housing to pump. Im about to replace the little rubber hose from feed line from metal line to ficm inlet
  5. C

    02 hard start when hot

    Yes it builds but slow when it hits 1600-1700 it starts
  6. C

    02 hard start when hot

    Put a set of bosch reman injectors(8) in my friends truck. Runs good but when hot now it takes a few seconds longer to start. Filter housing has been rebuilt before and it system holds vacuum. Done checked everything balance rates hot and cold are good. Pulled the new injectors back out had the...
  7. C

    Let me pick your brain! Haha

    Diesels combustion normally turns green depending on who makes it. Truck should be up to operating temperature to test it. With or without tstats should work.
  8. C

    Let me pick your brain! Haha

    Use a combustion tester auto parts stores rent them just buy the fluid if it turns green then you have head/head gasket problems
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