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Thread: Injector test

  1. #1
    New Member
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    Apr 2009
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    Default Injector test

    I seemed to remember there was a option in EFI live to do a injector test like the dealership does. Something about commanding 160MPA and reading what it actually was.

    Not looking for the injector balance rates.

    I might have another set of bad injector due to P0093 popping up since the warranty company would only replace 3 of 8 injectors but I recieved the code again when passing someone. I just cant find the link again.

  2. #2
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    28,403

    Default

    In scantool:
    - connect to vehicle,
    - click DVT tab,
    - select controller (LB7 Diesel),
    - click Control subtab,
    - click Activate,
    - checkmark Activate Individual Injector Control,
    - click on the injector you want to turn off, be ready to click All On,
    - click Deactivate when all done.

    I don't know diesels, so make sure you know what you're doing.

  3. #3
    New Member
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    Default

    I thought there was another one that didnt turn the injector off but commanded the rail to 160MPA and read what pressure it went to or held.

  4. #4
    Junior Member
    Join Date
    Jun 2008
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    Default

    the fuel pressure contol is right above the injector control in that tab
    03 Silverado CCSB LT Summit White
    417rwhp / 898trq <-old numbers need time to get on the rollers again
    4" Straight Thru Exhaust, Suncoast IV W/ 1058, Amsoil everything, EFILive DSP5 tuned by me with some help from Nick, PPE lift pump, and a BD spinny thing

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