deadhead test results, not sure what to think

Discussion in 'International Forum' started by marvelouzone, Jul 16, 2016.

  1. R3434mechanic!

    R3434mechanic! Bobtail Member

    2
    0
    Dec 14, 2019
    0
    Similar issue here. Truck starts and runs with ipr unplugged, goes straight to 3600psi, then slowly tapers off to 750, which is when it starts to stumble and "miss" could the relief valve in the hpop be getting stuck open and closed? New ipr.
     
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  3. R3434mechanic!

    R3434mechanic! Bobtail Member

    2
    0
    Dec 14, 2019
    0
    Similar issue here. Truck starts with ipr unplugged. Goes straight to 3600psi, then slowly tapers off to 750, which is when it stumbles and "misses". Could the relief valve in the hpop be getting stuck open AND closed? New ipr. 1999 dt466e
     
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  5. gasolino

    gasolino Bobtail Member

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    Sep 23, 2020
    0
    did you ever find out wwhat was wrong?
     
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