Engine Cuts off over 5000 RPM
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This is a discussion on Engine Cuts off over 5000 RPM within the Clubwrx Website/Forum Support - Report Errors forums, part of the Community - Meet other Enthusiasts category; Hi Guys, I have a 2008 wrx with no modifications other that a boost Tee controller. The issue that i ...

  1. #1
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    Engine Cuts off over 5000 RPM

    Hi Guys,

    I have a 2008 wrx with no modifications other that a boost Tee controller.
    The issue that i am having is that when the engine reaches above 5000RM the engine cuts off and with that the cruise control starts flashing and the traction control light come on along with the Service engine light.
    After sometime these lights turn off.
    My question is why is this annoyoing problem happening, can someone please advise what it could be.

    Thank you
    Ziggy

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  3. #2
    zax
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    Have you tuned the car for the MBC?!
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  4. #3
    Registered User 96accord's Avatar
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    Ziggy,

    It sounds like you are over boosting. Do you have a boost gauge? Have you been tuned for the boost controller?

    PS: This thread should be in the engine sub-forum.

    Edit: Zax beat me to the post.

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    Hi Zax

    no i havent.
    should i be taking the car to a mechanic to do a tune or can i do it manually by turning the knob on the Boot tee to find the desired level.

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    Hi Zax and 96accord,

    Is the issue that i am having a boost spike, and if i take the ball and spring from the boost tee will that fix the issue?

  7. #6
    zax
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    Do not install parts until you understand the implication of the installation.

    You cannot simply install an MBC and crank up the boost. If you're lucky, the engine is not blown. If you're lucky.
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
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  8. #7
    Registered User 96accord's Avatar
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    Get rid of that manual boost controller and go back to stock.

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    Lets hope fuel cut has saved your engine from too much damage..

  10. #9
    Registered User nsibanez's Avatar
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    I'd suggest doing some research on what's required other then slapping parts on
    These cars have to hit a certain psi as well to set the lights off and hit fuel cut. Sometimes you over boost without setting them off, so in this extreme case you've been doing it multiple times

    Put the stock back on. It's more then enough for stock levels and up to stage 2. And make sure you don't swap vacuum lines by mistake
    Stinkeye member 520

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