Has anyone besides me thought that the bouncing up and down could be caused by the normal function of closed loop operation. I look at my mpguino when I am running down the road at a steady throttle setting (I don't have a cruise control) and the instant mpg's will read 36, 40, 38, 41, 35, 39,.... It kind of looks like what you would expect see with the ECU responding to the O2 sensor. I don't mind the bounce as it shows me I am running closed loop. Or not?
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