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WelshGas

Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935

2010 Defender 90 Puma 2.4 XS CSW Santorini Black

To All Scangauge Users

Hi All,
If you have a Scangauge on your vehicle and you use the Fuel Economy function then there is a Correction Factor ( bottom Left on the Fillup Screen ).
What is the correction factor on your Scangauge? Mine seems to vary each Fillup from 18 to 27.6% each time if I have to adjust the amount of Fuel Used. I'm just interested what others users find, whether their correction factor has such a wide variation?

24th Mar 2011 7:53pm

ickle

Member Since: 22 Jul 2010
Location: South Vendee
Posts: 1780

2008 Defender 110 Puma 2.4 CSW Alpine White

Sorry I don't use the fuel consumption function, volts, inlet air temp, water temp and speed as my letra set applied mph don't light up.... - I also nevar had the patience to read the manual and work out how to use the fuel consumption

24th Mar 2011 10:09pm

Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

2010 Defender 90 Puma 2.4 XS CSW Stornoway Grey

Re: To All Scangauge Users

WelshGas wrote:
Hi All,
If you have a Scangauge on your vehicle and you use the Fuel Economy function then there is a Correction Factor ( bottom Left on the Fillup Screen ).
What is the correction factor on your Scangauge? Mine seems to vary each Fillup from 18 to 27.6% each time if I have to adjust the amount of Fuel Used. I'm just interested what others users find, whether their correction factor has such a wide variation?

The Fuel economy function is of no real use in a Defender... It's a bit like putting an ashtray on a motorbike!!!!
I just enter the amount I fill up with once a week.. Today I put 35 litres in the tank, and the Scangauge was only 200ml out!
I use mine more for an accurate speedo (GPS checked), engine temp, rev counter and Ambient temp sender..

Paul. ... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB

25th Mar 2011 12:01am

WelshGas

Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935

Hi Shax,
So what was the correction factor calculated by the Scangauge, if it was only 200mls out on it's calculated usage compared to your actual usage.

I don't use the Scangauge to drive economically - that's not why I bought the Defender - I'm just interested in the way this gauge works. As it takes it's information from the ECU + sensors it should remain fairly static on each vehicle , but can differ between vehicles running the same engine/electronics, UNLESS something goes belly up.

25th Mar 2011 7:20am

Defendit

Member Since: 31 Oct 2010
Location: Down Under
Posts: 26

2011 Defender 110 Puma 2.4 SW Keswick Green

Re: To All Scangauge Users

WelshGas wrote:
Hi All,
If you have a Scangauge on your vehicle and you use the Fuel Economy function then there is a Correction Factor ( bottom Left on the Fillup Screen ).
What is the correction factor on your Scangauge? Mine seems to vary each Fillup from 18 to 27.6% each time if I have to adjust the amount of Fuel Used. I'm just interested what others users find, whether their correction factor has such a wide variation?

Mines set at +10% and I don't change it. Accuracy on fill up is not as good as other vehicles I've used it on but is usually within a litre either way.

Overall accuracy is more than adequate and I can rely on it for Distance to Empty.

Suggest you reset it to factory fresh and try again, they can build up error over time if swapping between vehicles. Other than that try the different fuel settings ( Gas, Diesel A, B etc)

25th Mar 2011 7:46am

WelshGas

Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935

Thanks Defendit.

25th Mar 2011 6:24pm

CapeLandy

Member Since: 21 Jul 2008
Location: Cape Town
Posts: 558

Mine was always very accurate and my correction was about 5% IIRC Puma 110 - gone
Series III 1973 - going strong

26th Mar 2011 5:03pm

Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

WelshGas wrote:
Hi Shax,
So what was the correction factor calculated by the Scangauge, if it was only 200mls out on it's calculated usage compared to your actual usage.

I don't use the Scangauge to drive economically - that's not why I bought the Defender - I'm just interested in the way this gauge works. As it takes it's information from the ECU + sensors it should remain fairly static on each vehicle , but can differ between vehicles running the same engine/electronics, UNLESS something goes belly up.

I have no idea what the correction factor was set to, I'll try to remember and have a quick look later today. ... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB

28th Mar 2011 8:21am

Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

Just checked my SGII, and the correction is set to 1%..
Filled it again, reported 29.7 litres going in, and I actually put 29.7 litres in!! Not bad eh? ... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB

29th Mar 2011 9:53pm

WelshGas

Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935

Thanks Shax. Seems quit a variation between vehicles.

30th Mar 2011 4:48pm

CapeLandy

Member Since: 21 Jul 2008
Location: Cape Town
Posts: 558

It also depends how you fill the vehicle.
E.G. Always keep vehicle at same angle and if possible same filling station.
If you fill early morning when the fuel is cooler (n/a in the UK) as during the hot days with sun shining on the tank tops the fuel becomes more frothy I read somewhere
Also depends how much the pump jockey can force in the tank. Puma 110 - gone
Series III 1973 - going strong

31st Mar 2011 9:28am

Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

WelshGas wrote:
Thanks Shax. Seems quit a variation between vehicles.

Filled up again today.... 47.3 litres put in the tank, SGII reported 47.6 was used... I think my SGII has settled quite well, the error seems to be quite consistently low after much use.. It only get disconnected and reset when the dealers pull the OBDII plug! ... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB

31st Mar 2011 10:43pm

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