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    Quick Links: Looking for a USB port for my '07 Fuel Pump ECU Connector Terminal Size DIY changing the oil and now i have a massive leak....??? 2007 5.7 Tundra locking lug nuts keep loosening. 2007 Limited with broken hitch lighting connector. Backup Camera

4lo light on flashing and beeping?

Discussion in '2nd Gen Tundras (2007-2013)' started by bfd300, Jul 1, 2019.

  1. Jul 1, 2019 at 10:17 AM
    #1
    bfd300

    #1
    bfd300 [OP] New Member

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    Will Techstream tell me why 4lo is flashing and beeping while in 2wd? Weird.
     
    bfd300, Jul 1, 2019
    #1
  2. Jul 1, 2019 at 1:08 PM
    #2
    bfd300

    #2
    bfd300 [OP] New Member

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    Found it. Blow back p light fuse
     
    bfd300, Jul 1, 2019
    #2
    Black Wolf and 15whtrd like this.
  3. Jul 1, 2019 at 4:27 PM
    #3
    BlackSheep

    #3
    BlackSheep ol’ Reliable

    Joined:
    Aug 21, 2018
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    #18406
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    First Name:
    Scott
    Kansas City, MO
    Vehicle:
    2010 Black DC 5.7L 4x4
    2.5” shocks, 3/1 level, 37s, 5.29s, air locker, on-board air, bed cap, bed stiffeners, roof rack, steps/sliders, spare carrier, under seat storage bins, window tint
    That's what I would have thought :confused::crazy:
     
    BlackSheep, Jul 1, 2019
    #3
  4. Jul 1, 2019 at 4:35 PM
    #4
    Black Wolf

    #4
    Black Wolf Chillin' in Alamosa

    Joined:
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    Matt
    Alamosa, CO
    Vehicle:
    2022 Nissan Frontier SV 4X4
    TuwaPro rack, Z1 Offroad stuff, NISMO suspension stuff, FlowmasterFX Extreme exhaust, AIS, OVS, J&L can, other goodies on the way
    Had that same exact problem. I wasn't too impressed having my truck go into a semi limp mode for a blown back up light fuse. Did I ever mention I hate nannies?
     
    Black Wolf, Jul 1, 2019
    #4
  5. Jul 1, 2019 at 5:55 PM
    #5
    bfd300

    #5
    bfd300 [OP] New Member

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    Not sure what nannies are but yea I did notice lack of power. Googles the po705 code. This is a friends truck
     
    bfd300, Jul 1, 2019
    #5
  6. Jul 1, 2019 at 6:03 PM
    #6
    Black Wolf

    #6
    Black Wolf Chillin' in Alamosa

    Joined:
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    #378
    Messages:
    42,496
    Gender:
    Male
    First Name:
    Matt
    Alamosa, CO
    Vehicle:
    2022 Nissan Frontier SV 4X4
    TuwaPro rack, Z1 Offroad stuff, NISMO suspension stuff, FlowmasterFX Extreme exhaust, AIS, OVS, J&L can, other goodies on the way
    Nannies>>>>Computer programmed caretakers thinking they can help you and make driving and life more convenient, and saving us from the apocalypse. In this instance the ECU senses a blown backup light fuse....S mode no longer functioning along with 4WD, dash lights going skitzoid......over a BLOWN BACKUP LIGHT FUSE ?
     
    Black Wolf, Jul 1, 2019
    #6
    Wero94 and bfd300[QUOTED][OP] like this.
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