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Thread: Rail pressure invisible limiter or hadder?

  1. #1
    Advanced Tuner MAIDENCR's Avatar
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    Sep 2018
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    Quebec,canada
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    Rail pressure invisible limiter or hadder?

    On my 03 i try to fix a weird issue i have....
    On long acceleration while my fuel correction is boost limit my pressure(actual and desired) are 2-3kpsi more than my base table....when it got enough boost or if fuel demand reduce and fuel correction isnt boost limit anymore pressure go back to base table....at high load its ok but on light acceleration it make the truc hesitate/surge

    Picture will follow
    03 cummins,175% flux injectors,dual cp3,s467.7/83 1.00
    Nv5600 with valair triple disc clutch

  2. #2
    Banned
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    Jan 2018
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    not too much there that HP Tuners hasn't mapped out for the rail pressure control. They got a large chunk of it in there and wasn't really anything I could see that may cause it.

  3. #3
    Advanced Tuner MAIDENCR's Avatar
    Join Date
    Sep 2018
    Location
    Quebec,canada
    Posts
    207
    Hum ok
    03 cummins,175% flux injectors,dual cp3,s467.7/83 1.00
    Nv5600 with valair triple disc clutch