Member Since: 27 Jan 2008
Location: Oxon
Posts: 708
"Distance to empty" seems out?
Anyone got a feel for the accuracy of the fuel remaining calculation yet?
Mine seems convinced I can only do 400 miles on a full tank, despite telling me I'd been doing 32.5mpg over a 50 mile run just before filling up. 11 gallons went in when the gauge was a bit below half, so I assume I've still got an 18-ish gallon fuel tank; even at 30mpg that ought to be good for 540 miles!
2nd Oct 2009 10:55 pm
SN
Member Since: 03 Jan 2006
Location: Romiley
Posts: 13710
Another D3 foible thats found its way to the D4 then? Steve N | 21MY Defender | 08MY Discovery 3 (history) | 06MY Discovery 3 (ancient history)
My first D3 "ran out" with 40 miles still showing on the range.
New one will do 18 miles on Zero range before the ECU pretends it's running out "To finish first, one first has to finish ...."
2nd Oct 2009 11:28 pm
NeilD
Member Since: 01 Dec 2008
Location: Sunny Surrey
Posts: 4845
Martin,
Yep, the range is pants!.
I was coming back from cornwall once. 20 miles to home at 3.00am with 60 miles on range........ dropped to zero range 5 miles from home and no petrol station open!.
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50934
I usually use the magic of sight to aid in the 'filling' of the said tank way before any range warnings appear or not 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
Rich, me too but sometimes i'm a bit more remote than the M4 or M25. A company brand specific fuel card can also prove problematic when north of the border "To finish first, one first has to finish ...."
3rd Oct 2009 9:14 am
D J HUTTON
Member Since: 20 May 2009
Location: Wimborne, Dorset
Posts: 67
I got stuck in traffic, couldn't get into the planned services due to accident and managed to get 62 miles on zero! Admittedly we were slipstreaming a lorry and crawling along. Don't fancy trying that again!
DJ
3rd Oct 2009 10:00 am
MartinR
Member Since: 27 Jan 2008
Location: Oxon
Posts: 708
Hadn't realised it was a problem on some D3s - mine always seemed pretty plausible (though when it said 60 miles to go, you probably had more like 30 before it reached zero!)
The next test will be to see how accurate the MPG figure is - on the D3, that was always optimistic by a good 10-15%
3rd Oct 2009 10:01 am
NeilD
Member Since: 01 Dec 2008
Location: Sunny Surrey
Posts: 4845
displayed but the accuracy of the fuel gauge
Tank full....gauge shows full
Tank 1/2 full.....gauge shows maybe 1/3
.....there after falls rapidly to the point the warning light comes on
in short gauge isn't calibrated to the actual contents of the tank....many other vehicles I have owned & driven have far more accurate fuel gaugesBREXIT - done properly.
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| 08MY Discovery 3 (history) 
before the ECU pretends it's running out 
