Most of the time my car runs on the richer side of normal, however there are some circumstances where my STFT will climb to +25.
If I'm very light on the throttle like driving through a crowded parking lot, STFT will slowly climb to +20 or more and will stay there until I let off or give more...
I found that the gasket on disassembly had caused a bad spot in positioner.. When I rebuilt motor and was breaking in. Odd operation of throttle, and engine response. Of course it's a total rebuild so expected some things. So in troubleshooting this I found a answer to, what is stroking when key...
I've recently been experiencing an issue where on partial throttle (mainly) my BOV will activate randomly and quickly, to where the car sounds like it's sneezing. The pedal position is constant however the wastegate appears to get the signal to dump the boost momentarily before it builds back up...