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Old 09-05-2023, 02:37 PM   #3
KingLT1


 
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Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 7,661
I would think it's something to do with the wire at the ingition coil. If the ECU loses signal from the flex sensor it defaults to a E40 stoich ratio and should still run "ok".
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel
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