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DISCO3.CO.UK > Technical (D3)

Drop in mpg

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ianb4310

Member Since: 22 Feb 2015
Location: Gainsborough
Posts: 513

2006 Discovery 3 TDV6 SE Auto Java Black

Drop in mpg

In the last 2 months my avg mpg has dropped from 30.1 to 28.3 nothing has changed my driving style or the route I take to work the D3 has a Dynachip remap the only I've had a set of tyres on the same ones wranglers and a V8 brake upgrade only other thing I can think of it went into Land Rover for the tow bar recall
I'm used to the remapped D3 I could do with driving a non mapped D3 to see the difference or does anybody have any ideas? D4 rear lights
Beanie grill
Dynachip remap
4x4 info
HSE Wheels

29th Nov 2015 12:20 am

tayaste

Member Since: 15 May 2013
Location: Chester
Posts: 7633

2008 Discovery 3 TDV6 HSE Auto Stornoway Grey

It's getting colder now. MPG will drop with temp

29th Nov 2015 12:25 am

lynalldiscovery

Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti Grey

FBH running?

29th Nov 2015 2:10 am

MGCarr

Member Since: 15 Jul 2014
Location: Lancashire
Posts: 703

2007 Discovery 3 TDV6 SE Auto Buckingham Blue

Wet roads also have a significant negative effect on mpg but I would love to know how you got 30mpg in the first place, the best I have ever seen on the trip computer is 26 and we all know it lies.

1997 Defender 90 for the kids and I to have a go at some competitive off road RTV and Tyro trials, daughter picked up her first trophy over the August Bank Holiday.
Previous Land Rover history
1996 P38 4.6 V8 Autobiography
1996 Discovery TDi 300
1972 Range Rover 3.5 V8
LWB Hard Top Series 3
LWB Truck Cab Series 2A
Not been without a Land Rover for over 40 years - I must need therapy!

29th Nov 2015 2:59 am

tayaste

Member Since: 15 May 2013
Location: Chester
Posts: 7633

And the extra load on the electrics will have an effect during winter

Averaging over 30mpg does seem very good, mines in the mid 20's

29th Nov 2015 3:02 am

marc7

Member Since: 14 Nov 2015
Location: Leeds
Posts: 21

2005 Discovery 3 TDV6 SE Auto Bonatti Grey

wish i got near 30 I'm getting low 20,s and I'm driving like miss daisy to get that

29th Nov 2015 9:13 am

Disco_Mikey

Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20786

2005 Discovery 3 TDV6 HSE Auto Cairns Blue

FBH, cold temps and wet roads have knocked 3 mpg off my D3

It's not all bad, my old vRS lost 13mpg in the winter

But it still returned 53mpg

My D3 Build Thread

TDV8 Retrofit Build Thread

29th Nov 2015 9:34 am

ianb4310

Member Since: 22 Feb 2015
Location: Gainsborough
Posts: 513

I thought the low temp would have something to do with it
How would I know if the fbh is running
To get 30mpg on the gauge involves being very ocd I travel the same 10 mile route to work which means I can judge exactly which marker points I can use to cut the cruise control and still be at the right speed to take the junction
It's weird I know D4 rear lights
Beanie grill
Dynachip remap
4x4 info
HSE Wheels

29th Nov 2015 9:38 am

tayaste

Member Since: 15 May 2013
Location: Chester
Posts: 7633

On the gauge, try measuring in real time, you might be surprised

29th Nov 2015 9:41 am

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