MPG - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Dadhawk · 09-17-2019, 03:42 PM

Quote:

Originally Posted by Cookies

Yeah I'm going to have to record some time on the highway as this should be close to the average city mpg of the car. I don't think I could drive it more conservately than I did either and it was 50/50 highway and city. So I still feel like it's off.

Well, its not off, its the actual fuel usage. If it's 50/50 highway you may have something going on with your car given the other history on here. There are a couple of threads covering fuel economy. I think this is about the lowest I've seen for an unmodified car.

Tcoat · 09-17-2019, 03:43 PM

Quote:

Originally Posted by Cookies

Yeah I'm going to have to record some time on the highway as this should be close to the average city mpg of the car. I don't think I could drive it more conservately than I did either and it was 50/50 highway and city. So I still feel like it's off.

Sent from my SM-G955W using Tapatalk

Do you reset the average on your gauge every time you fill up? If you do stop doing that since you need a longer run to get an accurate reading. I reset mine once a month and once it takes at least two weeks of driving to level off at a reasonably accurate average.

Dadhawk · 09-17-2019, 03:53 PM

Quote:

Originally Posted by Tcoat

Do you reset the average on your gauge every time you fill up? If you do stop doing that since you need a longer run to get an accurate reading. I reset mine once a month and once it takes at least two weeks of driving to level off at a reasonably accurate average.

I've never reset mine, although I suppose it reset when the battery was swapped out a couple of years ago unless that is held in nonvolatile memory somewhere.

Tcoat · 09-17-2019, 03:58 PM

Quote:

Originally Posted by Dadhawk

I've never reset mine, although I suppose it reset when the battery was swapped out a couple of years ago unless that is held in nonvolatile memory somewhere.

Nah it resets when the power is disconnected. Mine has always leveled out to within .2 but there is very little variation in my driving. I just reset it to see if it will indeed level out in the same range again. It is like a really slow and boring video game.

Sapphireho · 09-17-2019, 04:00 PM

I'm with Dadhawk. That mileage sounds low. I get about that with a supercharger and larger injectors, etc..

Muskoka800 · 09-17-2019, 04:22 PM

I've found that most Ultra 94 pumps I've used will shut off long before full.
I can often, but not always, get $2 -$3 dollars more in after initial stop.
This variance would make a significant difference when calculating mpg.
I'm getting well over 500 kl per tank in mostly Stop & Slow 'rush' hour commuting.

Cookies · 09-17-2019, 04:26 PM

Quote:

Originally Posted by Muskoka800

I've found that most Ultra 94 pumps I've used will shut off long before full.

I can often, but not always, get $2 -$3 dollars more in after initial stop.

This variance would make a significant difference when calculating mpg.

I'm getting well over 500 kl per tank in mostly Stop & Slow 'rush' hour commuting.

I find myself going below 300 in slow commutes fml

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Sapphireho · 09-17-2019, 04:33 PM

Quote:

Originally Posted by Muskoka800

I've found that most Ultra 94 pumps I've used will shut off long before full.
I can often, but not always, get $2 -$3 dollars more in after initial stop.
This variance would make a significant difference when calculating mpg.
I'm getting well over 500 kl per tank in mostly Stop & Slow 'rush' hour commuting.

Topping off is just asking for EVAP system problems. I wouldn't do it.

Jordanwolf · 09-17-2019, 08:34 PM

Quote:

Originally Posted by Sapphireho

Topping off is just asking for EVAP system problems. I wouldn't do it.

Jesus Christ, it bothers me to no end people trying to fill up more because they think it's not full.

Cookies · 09-17-2019, 08:41 PM

Quote:

Originally Posted by Tcoat

Do you reset the average on your gauge every time you fill up? If you do stop doing that since you need a longer run to get an accurate reading. I reset mine once a month and once it takes at least two weeks of driving to level off at a reasonably accurate average.

I do, but I also track the mpg through fill ups

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CrowsFeast · 09-18-2019, 07:59 AM

Quote:

Originally Posted by Jordanwolf

Jesus Christ, it bothers me to no end people trying to fill up more because they think it's not full.

Gotta fill that charcoal canister

/s

wparsons · 09-23-2019, 10:43 AM

Quote:

Originally Posted by Cookies

I find myself going below 300 in slow commutes fml

Sent from my SM-G955W using Tapatalk

You're also filling up with almost 20L left in the tank... it's a 50L tank, if you're filling up and only taking ~30L you're leaving A LOT of range on the table.

I typically get at least 100kms from when it's around 1/4 tank until the light comes on.

09-17-2019, 04:00 PM	#19
Sapphireho Famous Potatoes Join Date: Mar 2016 Drives: '15 ultramarine Location: Idaho Posts: 14,049 Thanks: 5,816 Thanked 19,655 Times in 9,246 Posts Mentioned: 163 Post(s) Tagged: 0 Thread(s)	I'm with Dadhawk. That mileage sounds low. I get about that with a supercharger and larger injectors, etc..

09-17-2019, 04:22 PM	#20
Muskoka800 Senior Member Join Date: Jul 2018 Drives: 2016 Scion FRS Release Series 2#439 Location: Chatham, Ontario, Canada Posts: 789 Thanks: 4 Thanked 171 Times in 141 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I've found that most Ultra 94 pumps I've used will shut off long before full. I can often, but not always, get $2 -$3 dollars more in after initial stop. This variance would make a significant difference when calculating mpg. I'm getting well over 500 kl per tank in mostly Stop & Slow 'rush' hour commuting.

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