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Old 10-21-2015, 12:26 AM   #1
oliverc
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Perrin Boost gauge reading inaccurate?

Hi all,

I wired my boost gauge to the brake booster line (along with the BOV), and it is reading at about 6-7psi. I know from my OBD that I am actually achieving ~10psi. The line is quite short ~8inches, and I havent been able to determine a vacuum leak, but would a handheld vacuum pump help diagnose the problem, and if so how?

Thanks in advance.
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