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Search results

  1. W

    need directions on fi pump replacement

    Hello, I am looking for directions for replacing the fuel injection pump on an 03 duramax. THANX in advance for help
  2. W

    Need install directions for the IP pump on a 98-6.5

    Is there a thread,post or site on here with instructions for installing a new IP pump on my 98- 6.5
  3. W

    Is the optical sensor adjustable on a 98-6.5?

    I am replacing the optical sensor on my 98- 6.5. There is what looks like a pointer on it & the bolthole is elongated. Is it adjustable & if so how do you do it?
  4. W

    I,m getting codes 251 & 370 what to do??

    I have been having drivability problems lately. Running rough at idle at stop lights. Today after exiting the highway it died at the end of the ramp. Got it refired,drove home w/check engine light on. It is pulling codes 251 & 370. Running very rough but running. #251-Injection pump metering...
  5. W

    Black smoke at slight or high acceleration stumbles at idle

    Problem: Explain your problem in concise language (ie: Cranks but won’t fire). _It smokes black at the slightest increase in throttle. after driving & coming to a idle in gear it shakes like its missing.It also stutters when going up or down any size hill. The trans shifts in & out of overdrive...
  6. W

    where do I find the diagnostic checklist?

    I,m looking for the demographic checklist that I can copy & paste with my info.
  7. W

    Transmission shifts in & out of overdrive

    My 98 GMC 3500 trans shifts in & out of O/D .Even though there is no change in the grade of the road or any other factors that would change the effect on the truck.
  8. W

    Does changing tire size affect performance?

    I have a 98 GMC 3500 will putting taller tires on it have any effect on the performance of the engine? I went from 225/75/16 to 265/75/16? Thanx in advance for your help.
  9. W

    Truck loses power/throttle response on hills

    My 98 Chev 3500 w/ 6.5 loses power & throttle response when going up or down hills. Thanx in advance for your help!
  10. W

    How do I test my glow plugs??????

    How can I test the glow plugs on a 2000 6.5? Having some occasional starting issues.Thanx
  11. W

    What are these resistors that improve perf.

    I see this guy selling these little black 2-wire boxes on ebay that boast improved horse power & fuel economy. I checked his feedback & several people stated that it was just a resistor that can be purchased from Radio Shack. I had another guy tell me about putting a resistor on my Peterbilt to...
  12. W

    Pmd grounding???

    Does the body of the pmd have to be grounded? I made a ext cable when I changed the pmd after the truck would not run right, now it wont start at all.
  13. W

    Best place to mount pmd???

    Is the air intake on the front bumper a good place to move the pmd to?
  14. W

    How to make a pmd extension cable

    Hi,can the wires to the pmd be cut and extension wires be soldered in between ?
  15. W

    pmd replacement

    Hi, can someone tell me the easiest way to remove the pmd on a 98 6.5.
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