STS-V Series Forum - 2006-2009
My 07 STS-V occasionally at 50 mph, when you stomp on it, the car downshifts like its going to take off, but then no throttle and boost to 0. I have to let off the throttle and then all is OK. This has put me in some dangerous situations so now I don't trust it. No codes and my tuner can't find...