Thread: Boost gauge reads zero

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  1. #1 Boost gauge reads zero 
    SE Level Member COEBAM's Avatar
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    Hey guys- I did a little looking around about this, and found some threads, still not sure. The gauge lights up just no reading. Does the MAP sensor feed this gauge or is it the vacuum line off the by pass valve? If it is the valve; where is the bypass valve located?

    Btw got the coupler kit put in and a new SC belt and tensioner works great. Just trying to fine tune a few things...Thanks everybody!
    Last edited by COEBAM; 01-25-2010 at 11:24 AM.
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  2. #2 Re: Boost gauge reads zero 
    Donating Users Lawngoose's Avatar
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    I installed a plastic vacuum line T to tie into the vac line at the MAP sensor. Should read in the negatives on idle.
    02 GTP 13.6 @ 100mph - SOLD
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  3. #3 Re: Boost gauge reads zero 
    DUI BABY Bio248's Avatar
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    depends what kind you got. did you get an digital or analog gauge?
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  4. #4 Re: Boost gauge reads zero 
    SE Level Member COEBAM's Avatar
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    It's just the stock gauge located in the info center.
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  5. #5 Re: Boost gauge reads zero 
    DUI BABY Bio248's Avatar
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    that is read through the PCM, so id say you have a vacuum leak or your BBV is done for.
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  6. #6 Re: Boost gauge reads zero 
    SE Level Member COEBAM's Avatar
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    Found a vacuum leak under super charger at the little tee. Thanks everyone!
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  7. #7 Re: Boost gauge reads zero 
    i pay to play badbrad's Avatar
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    go ahead and replace crappy looking lines. i had several that were unnoticed for a while.
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