no vacuum???

[mattysr20]

ok I'm at it again lol anyways I have searched but I can find anything at least not the same.

ok first thing is I've been having weird afr readings and I still haven't figured that out but maybe its all connected.

I have a s15 Sr20 and at idle the boost stays at 0 it is always at 0 never goes below just goes up. it seems to boost fine and it doesn't idle bad but to my understanding it should read -20 vacuum right? I dunno if it matters but my bov is on the cold side and my boost gauge goes right in the intake pipe it a turbo xs bov and a turbo xs mbc any help would be great thanx...


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