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No fuel pump and no communication with pcm

Discussion in '1st Gen. Tacomas (1995-2004)' started by 350 banshee, Jan 31, 2023.

  1. Jan 31, 2023 at 8:20 AM
    #1
    350 banshee

    #1
    350 banshee [OP] New Member

    Joined:
    Jan 31, 2023
    Member:
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    Male
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    Not much
    Hey new here having trouble searching threads. Parked my taco for few weeks now no fuel pump powering up while cranking and scan tool won’t communicate with pcm but will connect to rcm. Any common issues?also I applied power and ground to pump and it does run then
     
    350 banshee, Jan 31, 2023
    #1
  2. Jan 31, 2023 at 8:24 AM
    #2
    tirediron

    #2
    tirediron Well-Known Member

    Joined:
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    Victoria, BC< Canada
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    Have you had a good look under the hood for rodent damage?
     
    tirediron, Jan 31, 2023
    #2
  3. Jan 31, 2023 at 8:30 AM
    #3
    350 banshee

    #3
    350 banshee [OP] New Member

    Joined:
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    Not much
    I have swapped relays and checked all fuses no sign of anything obvious
     
    350 banshee, Jan 31, 2023
    #3
  4. Feb 2, 2023 at 12:55 PM
    #4
    tirediron

    #4
    tirediron Well-Known Member

    Joined:
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    Gender:
    Male
    First Name:
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    Victoria, BC< Canada
    Vehicle:
    2022 4x4 Sport, Auto, BCM
    How did you check the fuses?

    Check continuity on the FP power & ground (and signal if fitted).
     
    tirediron, Feb 2, 2023
    #4

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