Have you calibrated your MPG display?

[megapixle]

My first tank gave a computer indicated 47, but hand calculated was only 44. Any downsides on using the engineering mode to calibrate the fuel economy display? Doing a search here yields some discussion on the topic, but not much.

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[Tailender]

I've adjusted mine a few times until it was pretty close. Now it's usually within 1 mpg. Didn't have any side effects yet.

 

[K5Blazer]

Didn’t know this was possible.

Fortunately my computer calculation has be within 1mpg of manual calculator results.

 

[Gpp]

Im so old the teachers in school taught us how to figure stuff like mpg on a car.im sure someone on the internet can teach it to people who dont know how

 

[Rileyotta]

How did you adjust this?

I've adjusted mine a few times until it was pretty close. Now it's usually within 1 mpg. Didn't have any side effects yet.

 

[megapixle]

You have to enter "Engineering Mode". You can do a search but the gist of it is, hold down the OK button when starting the Mav, turn the key 2 clicks (not all the way to start), then there's a hidden menu that comes up that allows you to adjust the mileage calculation.

 

[Packer Bill]

I didn't know that you could do this. However, my displayed MPG is usually only .2 to.7 mpg off from the hand calculation...good enough for me.

 

[bgn]

Yes, by buying tires 3% taller than the biggest tires the computer will read.

 

[raymaines]

My onboard computer is a little optimistic but I'm OK with it. I don't really, actually, care if I'm getting 38.5 or 37.0 mpg. This just isn't one of the things I'm going to stress about.

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