Ok thx for responding. Basically replaced everything from fuel tank to vst and high pressure pump, pulled fuel rail and drained cleaned. I will redrain fuel water separator at front of engine and try again. Will post results if you think of anything else I appreciate all responses
Found an old post from 2015 that clearly described how to use a paper clip to short 2 pins in the red diagnostic connector, then pull and push the emergency shutoff button 5 times within 20 seconds to clear codes. This did not work for me, no beeps at end of sequence and a steady beep coming...