This is how it should be setup
Top left nipple on throttle body to Bov (boost gauge connected)
Right top is capped off if not using canister
Bottom nipple hooked to fpr
Nipple on Hotpipe hooked to Wastegate(MBC is hooked to this line)
I hope this helps at all...
to me it seems like your throwing the vacuum back into the bov causing it not to operate
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