Hi Mike
I couldn't find anything on re-calibration either. Found a step by step instruction for fuel pump replacement on pelican parts. Looks like it may just be relay failure. Tested the relay which failed. Tested power to fuel pump which was fine. Checked all the lines for splits or wear and tear. Have ordered a new relay and some basic maintenance parts from Porsche. Will let you know how I go. Hopefully it is that simple fingers crossed.
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