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Fuel Tank Pressure Sensor

Discussion in '1st Gen Tundras (2000-2006)' started by RNB112, Aug 26, 2025 at 8:40 AM.

  1. Aug 26, 2025 at 8:40 AM
    #1
    RNB112

    #1
    RNB112 [OP] New Member

    Joined:
    Jan 20, 2025
    Member:
    #129168
    Messages:
    1
    Gender:
    Male
    Vehicle:
    2005 Tundra
    I have a 2005 Tundra Crew Cab with 4.7 V8. I have a P0452 code. I've replaced the fuel cap. I have also smoke tested the fuel tank for leaks in the evaporator system. I have cleared the code and immediately upon startup, the code reappears. I am now looking into the fuel tank pressure sensor as the issue. Where is the sensor located? I have checked the top of the tank and there are two hose connections and one electrical connector which powers the fuel pump and provides the signal wire for the fuel level sensor.

    Any help would be appreciated.
     
    RNB112, Aug 26, 2025 at 8:40 AM
    #1
  2. Aug 26, 2025 at 10:04 AM
    #2
    bfunke

    #2
    bfunke Tundra Curmudgeon

    Joined:
    Oct 13, 2019
    Member:
    #37321
    Messages:
    2,684
    Gender:
    Male
    First Name:
    Bryan
    South Carolina
    Vehicle:
    2018 SR-5 CM 5.7, 2000 SR-5 AC 4.7L
    The pressure sensor is part of the pump module in the fuel tank. It’s on page EC4 of the FSM which is available for download on this forum. May want to look at the Evap System troubleshooting section
     
    bfunke, Aug 26, 2025 at 10:04 AM
    #2
    shifty` and The Black Mamba like this.
  3. Aug 26, 2025 at 12:10 PM
    #3
    The Black Mamba

    #3
    The Black Mamba A pure specimen of TX Black Snek

    Joined:
    Sep 6, 2023
    Member:
    #103472
    Messages:
    5,095
    First Name:
    BlackSnek
    Flower Mound, TX
    Vehicle:
    Black 00 SR5 AC 5VZ PreRunner
    Imma keep it stock
    I second this

    Properly diag your issue instead of just throwing parts at it. Start with Section DI-311 in the FSM
     
    The Black Mamba, Aug 26, 2025 at 12:10 PM
    #3
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