I noticed that after the tune, the average MPG as shown in the driver information display is noticeably lower than real consumption (about 29 shown vs. 32 real). Before the tune, the displayed value was pretty accurate. Is this expected behaviour?
I noticed that after the tune, the average MPG as shown in the driver information display is noticeably lower than real consumption (about 29 shown vs. 32 real). Before the tune, the displayed value was pretty accurate. Is this expected behaviour?
Yes, fuel mileage is based off of fuel flow. Once you modify your airflow and/or fuel tables, it changes that calculation. There are some ways to correct that, and they have been discussed on this forum, with options in the editor
Michael Bray
Rusty Knuckle Garage
Slidell, Louisiana
20yr Master Tech.
Advanced Level Specialist
Custom Car Fabrication, Customization, High Performance.
GM World Class Technician
Shop Owner
Ok, thanks, I see. I was looking around in the forum, but couldn't find anything. I guess I am not using the ideal search terms. Any hint what to look for?
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