OK, can you post the error codes, that saidI am more than willing to give more info if needed.
and the data log for MBs 115, 118, 230 and 231 from a single gear full rev range pull (2k to redline)? Include MB 001 and 002 with each of the two pulls. For example; First log do [001 230, 231] and the next do [002, 115, 118]."says fuel rail is low pressure"