Turbo spools but no boost

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02-05-2019, 02:41 PM

Mk2jetta

0.0 BAR

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Join Date: Feb 2019

Posts: 1

Turbo spools but no boost

turbo is spooling but no boost the bov goes off I checked for boostleaks there’s none I just rebuilt the engine but now there’s no boost it should be running 23psi. Any help would be awesome

02-08-2019, 09:45 AM

Matt Cramer

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Join Date: Feb 2012

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If the BOV is venting, there has to be some amount of positive pressure in the intake. What pressure do you measure if you plumb the boost gauge so it measures boost at the pipe with the BOV in it?