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tractor

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  • Birthday 01/30/1957

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    pei

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    1998 rb688s

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  1. tractor

    ON FUEL UNIT PUMP  ON A 1999 e7-400 if dont have 4 diget code to enter in program does it matter

    1. tractor

      tractor

      or 8 digit code

    2. tractor

      tractor

       the trim code on eup  dealer said 8 digets most say 4 is lec90 eup 1, lec92 eup 2, eteched i work on other seems to be problem get info only for you guys i would get no wares changed computer on engine and cab works better not much better power but can do something with  coumpter now thanks

  2. tractor
    turbo psi came up from 24 psi to 26psi may be 27 psi after replaced computer power still down but a little better
  3. tractor
    update truck has bin working for 3 weeks still under powered found green on plug in dash code 239 light not on light works when start it flashes for a second goes out i know trubo boost down butno ieaks any where plate for cooling computer on engine was unhooked replaced that no miss in engine did cutout test seems good is there a whey to fool coumpter into putting more fuel out,
  4. tractor
    truck had power lost it somebody took cooling plate lines off compter just wondering if could check see if setting change
  5. tractor
    on a v-maciii e7-400 can you turn up power
  6. tractor
    got soft ware running
  7. tractor
    thanks
  8. tractor
    have it
  9. tractor
    is their a manual for a v- mac iii soft ware
  10. tractor
    what program reads and changes parmeters
  11. tractor
    ya but how much damage would it do unhooked
  12. tractor
    i didnt check it yet but was wondering if that getting hot have any bearing on fuel to injetor nozziels tanks
  13. tractor

    mack rb688s

    tractor replied to tractor's question in Mack Truck Q & A

    was orings on soilonds
  14. tractor
    on the e7-400 1999 some one unhooked cooling plate fuel lines , so computer would get hot , how much control does computer have over fueling
  15. tractor
    some one unhooked cooling plate fuel lines , does ecm have alot to do with fueling on a e7-400 mack 1999, never had a cooling plate unhook be fore computor may get hot .

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