Boost question

[nightowls_gm]

My boost gauge is reading 20 vacuum at idle, but only shows 5psi in boost.is my wesgate bad? Do I have the boost gauge hooked up in the wrong spot?

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[turbobooster]

It's in the right place that's where mine is hooked up might b a bad wastegate or some kind of vacuum leak check all hoses around turbo area


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[nightowls_gm]

Ok thanks, I have an extra wesgate I swap it tomorrow

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[nightowls_gm]

Changed the wastegate, same thing. Didn't find any vacuum leaks I used propane to find them.

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[BRAD_PADGETT]

A plugged CAT can cause this problem as well. Brad

 

[nightowls_gm]

New cat, just passed smog. I'm wondering if maybe the Wastegate sol?

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[turbojoe1]

You clearly need to relocate my friend, you taped into the water passage and leaking coolant as a result

 

[turbojoe1]

Take that back, post another pic of the boost ref lines. Sorry