Low boost/lack of power MC2-engine (MC dual knock)

[John Cody Forbes]

urq wrote:
> The wastegate spring is weaker on the MC engines to allow for a safety
> feature that prohibits max boost when problems are noted by the ECU
> ... but it also makes it so that the engine can't make full power
> unless the spring gets augmented by pressure applied to the upper
> chamber of the wastegate via the WGFV.

BUT the wastegate spring alone will produce 1.3bar (not 1.0bar), the WGFV 
brings the boost up to 1.45.

http://www.sjmautotechnik.com/trouble_shooting/boost.html - A great place to 
read about boost related issues and fix ideas.

-Cody Forbes