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-   Scion FR-S / Toyota 86 GT86 General Forum (https://www.ft86club.com/forums/forumdisplay.php?f=2)
-   -   Causes of Very High Fuel Consumption? (https://www.ft86club.com/forums/showthread.php?t=138684)

exittoexist 01-22-2020 07:16 AM
Causes of Very High Fuel Consumption?
 
Hi all,
I own a 2012 Toyota GT86 and since i bough the car i am experiencing very high fuel consumption.

16 lt /100 km city driving
10 lt / 100 km highway driving
20 lt /100km if i joy-drive it.

When i check my momentary fuel consumption it is 50lt when i floor the gas, and it is 20lt during slow traffic driving.

There is nothing wrong with the car while i am driving it.
The car is in stock condition as well.
Do you have any suggestions on what can cause this much of a consumption?

Any help will be appreciated. Thanks!

Tcoat 01-22-2020 07:21 AM
Quote:
Originally Posted by exittoexist (Post 3292571)
Hi all,
I own a 2012 Toyota GT86 and since i bough the car i am experiencing very high fuel consumption.

16 lt /100 km city driving
10 lt / 100 km highway driving
20 lt /100km if i joy-drive it.

When i check my momentary fuel consumption it is 50lt when i floor the gas, and it is 20lt during slow traffic driving.

There is nothing wrong with the car while i am driving it.
The car is in stock condition as well.
Do you have any suggestions on what can cause this much of a consumption?

Any help will be appreciated. Thanks!
Don't use the real time usage gauge. It is meaningless. Reset your average gauge and leave it alone for a couple of weeks and you will get a more realistic number.

Boomerang 01-22-2020 07:26 AM
Quote:
Originally Posted by exittoexist (Post 3292571)
Hi all,
I own a 2012 Toyota GT86 and since i bough the car i am experiencing very high fuel consumption.

16 lt /100 km city driving
10 lt / 100 km highway driving
20 lt /100km if i joy-drive it.

When i check my momentary fuel consumption it is 50lt when i floor the gas, and it is 20lt during slow traffic driving.

There is nothing wrong with the car while i am driving it.
The car is in stock condition as well.
Do you have any suggestions on what can cause this much of a consumption?

Any help will be appreciated. Thanks!

What is your average? Should be around 7-9L/100km

exittoexist 01-22-2020 08:32 AM
My average at car computer is 12lt/100km, however my real consumption is 16lt/100 km in city driving (which includes short periods of highway)
Meaning when i purchase 15lt of petrol, the gas is finished after 90km of driving

What do you guys think the problem might be?

Boomerang 01-22-2020 08:36 AM
Quote:
Originally Posted by exittoexist (Post 3292583)
My average is 12lt/100km, however my real consumption when is 16lt/100 km in city driving (which includes short periods of highway)

What do you guys think the problem might be?



Sorry, will edit that.


12l/100km average is high fuel consumption.


You either drive aggressively always or you have another issue.

exittoexist 01-22-2020 09:12 AM
Quote:
Originally Posted by Boomerang (Post 3292585)
Sorry, will edit that.


12l/100km average is high fuel consumption.


You either drive aggressively always or you have another issue.
The 16l/100km is during non-aggresive driving.
The consumption jumps to 20l/100km during aggresive driving

Ingen 01-22-2020 09:36 AM
Stop checking the gauge, and get out your calculator. Fill all the way up, drive till you need to fill up again, and then divide # km by # liters you put in to fill all the way up.

Do that a few times and check your gauge. Unless your engine is magically bigger than everyone else's, or your exhaust REEKS of unburnt gas, the gauge is probably just wrong.

Sasquachulator 01-22-2020 11:06 AM
Factors that can eat gas:
-Lots of stop and go traffic
-more city than highway
-Redlining the thing at every and all opportunity possible
-cruising at 4k+ rpm

But even still the mileage seems excessively high....was it a used car or a new one?

Tcoat 01-22-2020 11:54 AM
Quote:
Originally Posted by exittoexist (Post 3292594)
The 16l/100km is during non-aggresive driving.
The consumption jumps to 20l/100km during aggresive driving
How often do you reset the average gauge?

exittoexist 01-22-2020 02:49 PM
Quote:
Originally Posted by Tcoat (Post 3292637)
How often do you reset the average gauge?
Hey, these values are my actual calculations.
The computer hasn't been reset for 2 weeks (showing 12lt because thanks to highway driving)

Tcoat 01-22-2020 02:54 PM
Quote:
Originally Posted by exittoexist (Post 3292693)
Hey, these values are my actual calculations.
The computer hasn't been reset for 2 weeks (showing 12lt because thanks to highway driving)
OK. I just have a very hard time believing it is even possible to get that sort of mileage. You would have to have fuel pissing out of the car someplace.

Grady 01-22-2020 05:05 PM
Quote:
Originally Posted by exittoexist (Post 3292571)
Do you have any suggestions on what can cause this much of a consumption?
Your right foot! :burnrubber:

Other things are your engine is running rich or your brother is stealing your gas while you sleep.

davesrave 01-22-2020 08:23 PM
Yeah, at that consumption level, you would smell it. Do you?

Decep 01-22-2020 08:25 PM
That's like 12mpg. Even driving like an asshole all the time i couldn't manage that


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