how do i get a boost controller to work over the ecu i cant boost over 12 psi this sucks since i have a miltek exhaust 440 injectors cold air intake a front mount and a stage 2 revo the computer shuts me down i want to reach at least 20 psi

 

I take it its a B6?Check for fault codes anddouble check what the boost is supposed to be for the Revobig injector chip.Try to look for a boost leak before getting a mbc if its too low.

 

The revo. it could be in valet mode, reset it.