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help... P1130 & P1133

Discussion in '1st Gen. Tacomas (1995-2004)' started by Rock Dog61, May 15, 2018.

  1. May 15, 2018 at 8:44 AM
    #1
    Rock Dog61

    Rock Dog61 [OP] New Member

    Joined:
    Feb 26, 2017
    Member:
    #211750
    Messages:
    1
    Gender:
    Male
    Vehicle:
    2001 Taco
    4 cyl with 380,000 miles... hoping to do V6 swap
    2001 Taco 3rz 4wd.. 350K Purchased as a project. Ive done a ton of work including and engine swap for same eng,,, 1/2 the miles. it runs good.

    Check eng comes on after cpl miles of driving... 2 drive cycles and its on every time. Codes are P1130 and P1133.

    This very well could be a wiring issue... I have so far found 2 broken wires in the main harness near drivers side firewall that were damaged by a drill mounting the inner fender. I pulled on every wire.. I think I got them all.

    I need to know what each of the 4 wires should be reading at the A/F sensor on the truck side of plug with sensor disconnected. Here is what I show currently.

    white/red Battery Voltage 12V
    White wire... 2.0V
    Pink 2.9
    Violet 2.9

    All reading are Key on Engine off... Are these correct??

    Thanks for the help.
     

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