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Secondary Air Pump?

Discussion in 'General Tundra Discussion' started by Reverend_d, Jul 15, 2020.

  1. Jul 15, 2020 at 1:42 PM
    #1
    Reverend_d

    #1
    Reverend_d [OP] New Member

    Joined:
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    First Name:
    David
    Vehicle:
    2007 Tundra 4.7
    I know this has been asked a lot but I have run into something I can not wrap my head around. On my moms 2005 Tundra 4.7 I replaced every component in the Secondary Air System and the damn light keeps coming on. Any suggestions at all. I am stumped. I check fuses, relays and the plugs and the vacuum lines as well.
     
    Reverend_d, Jul 15, 2020
    #1
  2. Jul 15, 2020 at 3:57 PM
    #2
    Shifless Joe

    #2
    Shifless Joe New Member

    Joined:
    Nov 28, 2019
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    Mesa AZ
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    2016 TRD Off-Road
    What codes are you showing?
     
    Shifless Joe, Jul 15, 2020
    #2
  3. Jul 15, 2020 at 6:46 PM
    #3
    Reverend_d

    #3
    Reverend_d [OP] New Member

    Joined:
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    Member:
    #49364
    Messages:
    2
    Gender:
    Male
    First Name:
    David
    Vehicle:
    2007 Tundra 4.7
    Just P2445
     
    Reverend_d, Jul 15, 2020
    #3
  4. Jul 17, 2020 at 1:36 PM
    #4
    Shifless Joe

    #4
    Shifless Joe New Member

    Joined:
    Nov 28, 2019
    Member:
    #39259
    Messages:
    76
    Gender:
    Male
    Mesa AZ
    Vehicle:
    2016 TRD Off-Road
    Did some googling:
    A P2445 - Secondary Air Injection System Switching Pump Stuck OFF Bank 1 could be caused by any of the following:
    Air pump fuse
    Vacuum hose
    Air pump assembly
    Faulty Pressure Sensor
    Air pump harness is open or shorted
    Air pump circuit poor electrical connection
    Pressure Sensor harness is open or shorted
    Pressure Sensor circuit poor electrical connection

    Check out this TSB
    https://www.autocodes.com/pdfview.p...ota Factory Service Bulletin OBDII Code P2445
     
    Shifless Joe, Jul 17, 2020
    #4
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