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Large leak?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Trey3, Apr 6, 2022.

  1. Apr 6, 2022 at 1:44 PM
    #1
    Trey3

    Trey3 [OP] Member

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    Says system to lean. And evaporative leak i can upload more pics of codes. It threw 5. Any one able to pin point it..trucks running ok

    20220406_163305.jpg
     
  2. Apr 6, 2022 at 4:30 PM
    #2
    AJKlug1

    AJKlug1 Well-Known Member

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    Is your Gas cap tight?
     
  3. Apr 6, 2022 at 4:34 PM
    #3
    b_r_o

    b_r_o Gnar doggy

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    Check the evap purge valve at the intake manifold. It should hold vacuum at all times until commanded open by the pcm. Right at the valve, remove the evap hose going to the canister and attach a vacuum gauge. Unplug the electrical connector and run the engine. With the valve unplugged there should be no vacuum at all registering on the vacuum gauge. Any vacuum at all is a leaking purge valve
     
    Dm93 likes this.
  4. Apr 6, 2022 at 4:35 PM
    #4
    Dm93

    Dm93 Test Don't Guess

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    What are the other code numbers?
    A lean code and a incorrect purge flow code my first suspect would be that the purge valve is leaking.
    Easy to check, unhook the hose and electrical connector from the valve (shown below) and start the engine if there's vacuum present at the valve port it's bad.
    Purge VSV edited.jpg
     
    TnShooter and b_r_o like this.
  5. Apr 6, 2022 at 5:18 PM
    #5
    Fullboogie

    Fullboogie Well-Known Member

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