Can you post a pic of the plumbing?
That's not an overboost sensor, that's a factory 2 stage boost controller
That's not an overboost sensor, that's a factory 2 stage boost controller
That's plumbed in wrong. Get rid of your t piece to your gauge, and also get rid of the standard pipes and standard t piece that used to go to the solenoid, there's a restrictor inside one of them which will affect it. Your actuator feed is also in the wrong part of the intake, it should be before the intercooler, not after it. The closer to the turbo the better.The red pipe goes to a boost gauge
the black pipe off the blue valve goes to the boost controller inside
i have disconnected the valve with the two small vac pipes going to it but maybe this is incorrect and just blocked them off. hope u can help.