My flex fuel sensor is wrong or my gas station is jerking me

[blackonblackSi]

The ECU harness method isn’t bad, he just had an extra wire tied in that is supposed to be left disconnected. It is easier in my opinion, but not everyone is willing to modify the ECU harness.

There are two grey wires in the ecu... you have to make sure you tap the right wire tho.... it happened to me... ktuner was reading e48. .. with regular gas.

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