Drove it tonight and took careful notice of this issue:

I could rev up, say in 2nd gear, and all I need to do to get the power boost is hold the throttle in the mid RPM range for about 5-7 seconds, and this leads to the power bump.

How much the turbo's pressure was reading didn't seem to matter... it's just when the throttle is consistently held for some time. When I go to the next gear, the process starts over.

I also noticed that my take off from a stop seems slower so the power boost could be more accurately described as a brief return to a normal power level and this lasts until the throttle is released. (So gear changes and stops "resets" the issue)


I'll try taking the line off the ALDA to see if there's a change but I think this is something else.