D1 Spec and Shadow are the 1st version throttle controller which might cause CEL from time to time.
ETC is the 2nd version which has been reprogrammed to better calibrate w/ ECU and to be compatible toward European Makes and models. PPL from other major forums such as Subaru LGT & Mazda6 are using ETC as well
ETC is the 2nd version which has been reprogrammed to better calibrate w/ ECU and to be compatible toward European Makes and models. PPL from other major forums such as Subaru LGT & Mazda6 are using ETC as well
