Help no more boost at all

Discussion in 'Modifications & DIY how-to' started by subarusti4life, Jul 25, 2009.

  1. subarusti4life

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    Hey all

    I have an issue, and i believe it may be the wastegate acuator


    Okay here are my specs

    EJ20R motor
    760cc injectors
    20g TD06
    FMIC
    Megasquirt ECU
    FORD EDIS Ignition


    Heres the problem.. everything was fine, brand new turbo, brand new FMIC, brand new injectors. btw... it was boosting and all of a sudden, i started driving and there was 0 boost!

    I proceeded with checking all my piping and thought my SSQV was leaking, so i replaced that one, with a sheepdog BOV and still 0 boost

    Then, i went and made sure my turbo was spinning freely and it is, started the car

    took the intake off (no maf sensor) and the turbo was still sucking air fully
    hit the throttle and the BOV piston was moving still

    I dont know what it may be, there is NO intercooler leaks, and everything else is brand new


    HELP.. ill PAY someone to come to Acworth and fix this


    678-357-7239

    wazzy
     
  2. Jake

    Jake Active Member

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    run it by topspeed in the morning. if the piston is moving on the BOV and you don't have boost, either the BOV sucks major ass and has the loosest spring ever or you are making boost still.


    does it feel like you lost power, or is the gauge just saying you have no boost?? check the lines to the boost gauge, possibly just fell off.

    but back on the BOV matter, if you take the BOV in your hands and push down on the piston with your thumbs, it should be nearly impossible to open it up. if it is effortless to push the piston in then it is CRAP
     
  3. integroid

    Supporting Member

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    Topspeed is closed all weekend! They are at a race!
     
  4. Jake

    Jake Active Member

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    oh, lol duh
     
  5. Kokopelli

    Kokopelli Active Member

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    What downpipe do you have? Sometimes the wastegate will get hung on some of the divorced ones that have a seperator between the wastegate and turbine outlet.
     
  6. subarusti4life

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    i have a apexi ni-full 3'' turbo back with a real downpipe... the BOV's.. i have 2 of them, the SSQV worked perfectly when i had the stock turbo 2 weeks ago, and it was working perfect.. all of a sudden, my engine feels N/A.. the boost gauge stays at 0 or under 0 even at 6K... the SSQV still made a small sound.. but the sheep-dog bov doesnt do anything but piston moves..... now the car doesnt feel like a turbo at all... i feel like im driving my 2.5 NA motor right now
     
  7. Jake

    Jake Active Member

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    gauruntee you those BOVs are leaking. seriously, pull them out and try to push the pistons down outside of the car in your hands with your thumbs. should be HARD to do


    i could be wrong tho.
     
    #7 Jake, Jul 25, 2009
    Last edited: Jul 25, 2009
  8. subarusti4life

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    Thank you all! i got it.. but it wasnt the BOV alone... the SSQV, had a leak and the wastegate was stuck.. so in combination, it was fuc*in everything up!
     
  9. 07Ltd#767

    07Ltd#767 The Neighborhood Drunk

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    it should be impossible to do. I tried with my BOV and couldn't budge it...

    Glad you figured it out...my guess would've been on par w/ liquidforce's and your ultimate issue - sounds like a wastegate issue
     

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