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P0451 Code 2003 Tacoma 2.7L

Discussion in 'Technical Chat' started by plisko59, Dec 22, 2020.

  1. Dec 22, 2020 at 11:41 AM
    #1
    plisko59

    #1
    plisko59 [OP] Member

    Joined:
    Aug 8, 2020
    Member:
    #336980
    Messages:
    10
    Gender:
    Male
    First Name:
    Braxton
    Vehicle:
    2003 Silver Tacoma Pre-Runner XtraCab
    Please help! I ran a P0451 code today and to the best of my knowledge it’s a sensor i need to replace (autozone advice) can someone please show me where this is on my 2003 Toyota Tacoma Prerunner 2.7L. Thank you!
     
    plisko59, Dec 22, 2020
    #1
  2. Dec 22, 2020 at 6:15 PM
    #2
    Dm93

    #2
    Dm93 Test Don't Guess

    Joined:
    Mar 3, 2015
    Member:
    #150066
    Messages:
    12,796
    Gender:
    Male
    Texas
    Vehicle:
    2014 DC OR 6spd 4x4
    Predator tube steps, Ranch Hand grill guard, Magnaflow CatBack exhaust, Toyota tool box & bed mat, 2LO Module by @Up2NoGood, Rearview Compass/Temp Mirror, Tune by @JustDSM.
    Looks like it has to do with the Vapor Pressure Sensor, it looks like it's located on top of the fuel pump module on top of the fuel tank. I would look closely at all the wiring and check voltage at the sensor before replacing it as they don't fail too often.
    [​IMG]
     
    Dm93, Dec 22, 2020
    #2

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