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Has anyone gotten this diagnostic code thrown and knows what caused it? My car threw it a few weeks ago so I reset the ecu and it went away but it came back on yesterday when I started the car. I maybe drove the car twice since first resetting the ECU till it came on again. The only thing I've done different to the car lately is install the methanol kit but that makes the car run richer so I don't know what would throw the lean a/f mixture code.
Any ideas?
Any ideas?