Graphing actual fuel rail pressure against the pressure the DME is commanding, over cranking, idle and load. The gap between the two lines, not the absolute number, is what says whether the high pressure pump is keeping up.
2010 MINI Cooper S (R56, N14 1.6L Turbo)
A 2010 MINI Cooper S no-start with a suspected high pressure fuel pump. Rail pressure, adaptation and restart data proved the N14 pump was fine.
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Initial diagnostic: $150 for one primary concern. Additional concerns or complex diagnostic work may require additional time and charges. Standard labor rate: $150 per hour.
Florida MV Registration #MV114761