Originally Posted by Terry@BMS
I agree, I don't like the engine stuttering like that, but up until the original DME failed, HPFP fuelpressure never dropped under ~1500 psi, and there was no stuttering, so I think the HPFP is on it's way out. Regardless, it was interesting to me how different tunes come up with different codes for what is basically the same issue. Hopefully I should have the VTT modified HPFP in a few days, so I can start testing again, and then I'll send you some logs. Don't really want to stress the car as it is running atm. "