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Home > Technical > MPG readings?

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dsingeruk

Member Since: 10 Jul 2006
Location: UK
Posts: 20

2006 Range Rover Sport TDV6 HSE Java Black

MPG readings?

Has anyone calibrated their average fuel economy reading?

Mine appears to be consistently reading 2mpg over

I was so pleased when I apeared to be managing 30mpg consistently, but now I fear it is only 28!

Daniel.

Tue Oct 24 2006 6:58am

shmoogle

Member Since: 07 Sep 2005
Location: ... and for every sprinkle I find, I shall kill you!
Posts: 24350

Yours reads 2mpg over what?

2009 Outstanding Contribution Award - Joint Runner Up
2009 'Tech-Head Of The Year' Award - Runner Up

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Tue Oct 24 2006 7:29am

Havank

Member Since: 20 Jun 2006
Location: West Sussex - UK
Posts: 691

based on what????

maybe the pump needs to be calibrated

Tue Oct 24 2006 8:12am

dsingeruk

Member Since: 10 Jul 2006
Location: UK
Posts: 20

It reads 2MPG over whatever it IS doing. ie when I am getting 28MPG it reads 30MPG, when I am getting 27MPG it reads 29MPG.

I have used a rather rough method, but it returns consistent results. Simply zero the odometer when I have filled the tank, when the tank is close to empty fill it up again and record the mileage and litres necessary to refil to full (divide the fuel used by the mileage covered).

I have done this 4 times, and all readings are around 27-28MPG (car reads around 29-31PMG).

Give it a go, and let me know what results you get?

Daniel.

Tue Oct 24 2006 7:16pm

rrmad

Member Since: 29 Oct 2005
Location: UK
Posts: 44

2006 Range Rover Sport Supercharged Java Black

I really hope you're wrong or my depressing 13.1 mpg to Cornwall and back is looking even worse

Tue Oct 24 2006 7:23pm

aljo

Member Since: 13 Jun 2006
Location: West Sussex
Posts: 3243

2011 Range Rover Sport 3.0 TDV6 HSE Santorini Black

mine was reading 36 + coming back from norfolk at the weekend @ 70 MPH average has 3200 on the clock and milage seems to be getting better

thats if the reading is to be trusted

Tue Oct 24 2006 7:39pm

RRUK

Member Since: 10 Jun 2005
Location: Leicestershire
Posts: 2581

2013 Range Rover Sport Supercharged Autobiography Stornoway Grey

I did a quick run to Gatwick (155 miles) and checked the figures when I refueled....averaged 15.6mpg. Not as good as I thought it was going to be! L319 D4 HSE

1998 110 TUM HS FFR Hard Top XD WOLF

1982 Series 3 SWB

Wed Oct 25 2006 10:47am

Tim in Scotland

Member Since: 30 May 2005
Location: Driving along in my automobile
Posts: 17476

2013 Range Rover Sport SDV6 HSE Stornoway Grey

Just used my 1st tankful since getting home and 75ltrs lasted 496 miles of everyday motoring. I'm taking off for a weekend in the New Forest this afternoon so it will be interesting to see if the last software upgrade has improved the tuning enough to crack the 34mpg on 500 mile motorway run south. 2020 Pangea Green 1st Edition D240 New Defender 110 is here and loving it
2018 Melting Silver Mini Countryman PHEV - soon to be replaced
2015MY Corris Grey SDv6 HSE Dynamic, the best car I have ever owned, totally reliable only a cou0le of rattles in 3 years, now no longer in my care
Also in my garage is a 1996 TDi300 Defender 90 County HT made into a fake CSW

Wed Oct 25 2006 11:14am

jjb218

Member Since: 22 Jul 2006
Location: Dominican Republic
Posts: 94

2006 Range Rover Sport Supercharged Zermatt Silver

My tank gives me 100 miles, 120 tops

I just changed the upper pulley, the xhaust, belt and tensioner.
Whats the deal?
Thank you
JJB

Sun Oct 29 2006 4:46am

Havank

Member Since: 20 Jun 2006
Location: West Sussex - UK
Posts: 691

Sun Oct 29 2006 8:24am

jjb218

Member Since: 22 Jul 2006
Location: Dominican Republic
Posts: 94

INDEEEEEEEEEEEEEEEEEEEDDD

FUEL IS AWFULL HERE!
I have to put 2 nitrous octane boosters each tank. at 10 pounds each, 18 us each, imagine.
Im tored.
I was happy with my old 1999 p38, 4.6 HSE, rpi v8 cam, ECU, oxy sensors, exhaust.275 miles in city, 350 in highway!
I want it back!!!!
See ya amigos!!!
JJB

Sun Oct 29 2006 8:28am

MDP

Member Since: 14 Jun 2005
Location: Back in an AUDI
Posts: 8598

dsingeruk wrote:
It reads 2MPG over whatever it IS doing. ie when I am getting 28MPG it reads 30MPG, when I am getting 27MPG it reads 29MPG.

I have used a rather rough method, but it returns consistent results. Simply zero the odometer when I have filled the tank, when the tank is close to empty fill it up again and record the mileage and litres necessary to refil to full (divide the fuel used by the mileage covered).

I have done this 4 times, and all readings are around 27-28MPG (car reads around 29-31PMG).

Give it a go, and let me know what results you get?

Daniel.

You need to make sure you have a" full " tank - ie when you say "fill up" are you sure its filled up to exactly the same point in the tank each time ... ?? I can get petrol pumps to click off several times when filling mine up

" WITH MORE EXTRAS THAN A HOLLYWOOD EPIC "

Sun Oct 29 2006 7:35pm

philmw

Member Since: 18 Aug 2006
Location: Nottingham
Posts: 1671

2012 Range Rover Sport Supercharged Sumatra Black

I hope mine under-reads - averaging 12.7 at the moment. Got it down to below 6 when hauling up the M1 the other day.

Also managed to get 88.5 litres in.

Mon Oct 30 2006 12:29pm

shmoogle

Member Since: 07 Sep 2005
Location: ... and for every sprinkle I find, I shall kill you!
Posts: 24350

I've been getting 35mpg recently.... wonderful things, these diesels

2009 Outstanding Contribution Award - Joint Runner Up
2009 'Tech-Head Of The Year' Award - Runner Up

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Mon Oct 30 2006 3:36pm

JayMann

Member Since: 19 Jan 2006
Location: Stop acting like snob when you just won the Lotto!
Posts: 22898

2006 Range Rover Sport TDV6 HSE Buckingham Blue

We go 4 weeks with each fill in the van RRS TDV6 Gone but still around
SL55 AMG
760Li Alpina
BMW 535D M Sport
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And A Van For Rex!

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Mon Oct 30 2006 3:38pm

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