does anyone no about tha vafc 2 controller i think mine is shot it turns itself off sometimes my throttle is jacked up when its open it reads 0 when its closed it reads 100 and one of my 02 sensors is bad but its been bad for awhile but when my controller starts doin that my car wont rev past 4000 rpms i dont no what to do???????????????

 

welcome to the forum. Might want to change the 02 sensor first then recheck the vafc 2 controller and rev.