Always felt like my gas mileage wasn't the best so I got it to exactly half and drove until it was nearing the end of the red mark with the light on. Trip meter said right at 85 miles. Anyone have an idea of how many gallons I would have used? It seems cars are never consistent when empty is empty, my 540i ran forever at E. but I don't know about this Disco.

Also, all my driving was 40mph or slower. Lots of driving around campus and short drives. Also spent one day offroading.

 

I've had mine down to running on fumes, and when I filled it, it took 22.1 gallons. I don't pay too much attention to mileage, but I am getting at least 12 MPG by rough estimate.

 

Hm so on about 11 gallons thats a tad over 7mpg. . .

I mean I know short drives putting around in traffic and offroading can't help but jeez that's not too good. Replaced both upstream 02 sensors a couple months ago, but I still have a check engine light on, think it's for my MAF.

 

If it is for your MAF then that could be why your MPG sucks so bad.

 

"Think" it is for your MAF - and how many car parts stores that will read codes have you passed while helping the stockholders of the oil companies???? lol

 

The ONLY way to actually figure MPG is to drive it until a half tank or less and fill it, reset the trip odometer, drive until you need gas.
Divide the miles by the gallons of gas bought.
Do this three times in a row to get a average of your MPG, you must fill it each time to get a accurate number.
I have a app on my phone that I use, it is called "MPG Tracker", it is free.

 

Something is definitely not right. On my truck 85 miles is about a quarter tank for a total of 340 miles on a full tank. I average anywhere from 12-15 miles per gallon.

 

340 to a tank sound just about right, i would think.

 

340 is high. idk how youre getting 15mpg. i have an 01 with 78k miles no lights at all, meticulously maintained, no brush guard or roof rack, and i barely get 300 miles and fill up around 22 gallons.

 

First, never drive you Disco till the red light comes on, all you are doing is burning up you fuel pump.
As for mileage, the gas gauge is as inaccurate as our temp gauge. If you want to measure your mileage, do it the old fashion way, fill up the tank, drive for a couple hundred miles, fill up and divide the mileage by the number of gallons used, this is not rocket science.
By the way, quit guess or always assuming your MAF is at fault, all you are doing is spending money on parts not needed or indicated by a fault code.