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weird vaccum/boost leak. My gauge used to show vaccum at idle around 20..now its 12...

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Old 06-09-2006, 07:04 PM
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Default weird vaccum/boost leak. My gauge used to show vaccum at idle around 20..now its 12...

I pressure tested my car.. no leaks.. got 710N and samco boot..wtf.. also my WOT boost went down from 15 to 11... what could cause this ?
Old 06-10-2006, 04:57 AM
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any1 ??
Old 06-10-2006, 06:33 AM
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Default do you notice if the cars slower? IF not maybe the gauge itself? but sounds

like a boost leak to me. I know you said you did a pressure test,but did you check the intercooler hoses?
Old 06-10-2006, 07:18 AM
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check the vaccuum connections at the back of the intake manifold
Old 06-10-2006, 08:27 AM
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make sure the line to your boost gauge is not kinked... a friend of mine had a similar issue
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