Quote:
Originally Posted by Mr_Eyo
I had the same problem. Culprit was the in tank DW pump coming loose. The fuel feed pressure measured by the FFK was 38-43 psi ( should be ~56 psi). The FFK has a feature where the ethanol content is zeroed if the fuel feed drops below 42 psi.
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Is this a thing? I don't have any data on fuel pressure in that log, but I have a stock pump with 10k miles on it.