Thread: only have half boost

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  1. #1 only have half boost 
    gtp225
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    Default 09-25-2010
    97 with 225,000 only has half boost . engine code p1645d boost contol solenoid control circuit
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  2. #2 Re: only have half boost 
    01gpgt01
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    Default 09-25-2010
    Replace the solenoid on the blower, or check for a vac leak to the soleniod
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  3. #3 Re: only have half boost 
    Bio248
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    Default 09-25-2010
    if youre using the DIC gauge, how do you know what kinda boost youre making?
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