MFD fuel economy accuracy tweak

The car reported higher fuel economy than I was seeing based on actual miles divided by actual fuel used.

Here’s the fix:

With VCDS:

IDD00499-Display correction of consumption and operating range

Make the new value LARGER if the display is too high.

Stock is 100%

e.g. if the car reports 55mpg, but the pump reports 50mpg, change from 100% to 110% (numbers might not be perfect)

Close and quit VCDS before turning off power to the car.

So far I’m at 108%, which causes the MFD to report slightly lower fuel economy than I’m measuring at the pump.  I’d rather be slightly surprised than slightly disappointed!

Here’s where I got the how-to: