Recent content by cas

  1. C

    2009 R32 - high fuel trim on bank 1

    Hello all, I have a 2009 R32 on which I've been trying to track down a high partial fuel trim on Bank 1. It varies from around +12 to +19 at the worst. Bank 2 sits steady around +7. Idle fuel trims for both banks around +0.2 It's had: New fuel filter New fuel pumps (both) New CTS New MAF New...