QUOTE(davidke20 @ Sep 22 2012, 12:21 PM)
Accelerate hard = Vacuum 0
Harder suction came AFTER the hard acceleration, and that disturb the fuel efficient meter on OBD2, make it think currently having 26in/hg whilst doing 120kph, and reflect as 20km/l. Fuel efficient meter is good in terms of, uses amount of vacuum calculate base on average with speed and time of travelling. Sorry I don't have the formula, but thats basically how a fuel efficient gauge works
I believe the OBD2 uses fuel flow rate instead of vacuum to calculate fc.Harder suction came AFTER the hard acceleration, and that disturb the fuel efficient meter on OBD2, make it think currently having 26in/hg whilst doing 120kph, and reflect as 20km/l. Fuel efficient meter is good in terms of, uses amount of vacuum calculate base on average with speed and time of travelling. Sorry I don't have the formula, but thats basically how a fuel efficient gauge works
Sep 22 2012, 12:29 PM

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