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Thread: boost gauge reading

  
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    AndyJ SRi-T's Avatar
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    Unhappy boost gauge reading

    hi, fitted my new boost gauge today , even got the backlight to work in it too!! im not the best spark in the world so im impressed with myself.

    well anyway when the cars idling, the needle on the boost gauge sits at 23 'InHg'. the gauge is in psi, but this 'inhg' is sort of the opposite way from the psi reading. im just wondering if this is normal, as id always thought the needle would sit at 0 psi at idle?????

    please help!!!!!!

    andy

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    buckle's Avatar
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    No there is a Vacuum when on idle so won't sit at 0. Nothing to worry about, totally normal.

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    ok thanks a lot for the swift reply, next up - oil pressure gauge!

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