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Home > Maintenance & Mods (L322) > 16mpg average- is it time to demap?

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Andy

Member Since: 24 Feb 2009
Location: Shropshire
Posts: 2926

16mpg average- is it time to demap?

I'm getting a little tired of seeing this mpg. Most days to work and back I see 13 to 15. I might as well have bought a petrol V8!

I'm thinking about taking the map off it. I have no idea who's map it is, as it was done by a previous owner. The best I've seen is 28 on a motorway with the cruise controil set to 56mph. If I tow, it drops to around 13.

My old TD6 was better than this on diesel. I'm wondering if the map is to blame. 2010 MY Vogue SE TDV8 3.6 Stornoway Grey- fully loaded

14th Jan 2020 9:10pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4215

2011 Range Rover Vogue SE TDV8 Buckingham Blue

Maybe get Bodsy in Telford to look at what map is on it...
www.updatesbybodsy.co.uk His mobile number is on there. 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90 on order so "Rory" will be going to a new home....!
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
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14th Jan 2020 9:42pm

Andy

Member Since: 24 Feb 2009
Location: Shropshire
Posts: 2926

He was the one who told me it had been remapped. He very kindly came out and checked it for me. Neither he or BAS could say who’s map it was though. 2010 MY Vogue SE TDV8 3.6 Stornoway Grey- fully loaded

14th Jan 2020 9:44pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4215

Gotcha. Did he say he and BAS could get it back to stock though? 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90 on order so "Rory" will be going to a new home....!
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
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14th Jan 2020 9:51pm

Andy

Member Since: 24 Feb 2009
Location: Shropshire
Posts: 2926

Yes. Pete has added a standard map to the IID tool updater so I just need to install it (gulp) he did say I would lose the digital EGR delete which I expected. However they are blanked off so should be ok 2010 MY Vogue SE TDV8 3.6 Stornoway Grey- fully loaded

14th Jan 2020 9:54pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4215

Go for it
Pete knows his stuff 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90 on order so "Rory" will be going to a new home....!
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

14th Jan 2020 10:16pm

Andy

Member Since: 24 Feb 2009
Location: Shropshire
Posts: 2926

My only worry is the EML coming on. Pete said it might. 2010 MY Vogue SE TDV8 3.6 Stornoway Grey- fully loaded

14th Jan 2020 10:46pm

Markwood71

Member Since: 19 Sep 2019
Location: Dudley
Posts: 31

2011 Range Rover Vogue 4.4 V8 Ipanema Sand

I've a dodgy Map in Rosie- its mainly for EGR deletion, as they were playing up when we brought her. I get 18/19 mpg to and from work- and around 25-28 on the motorway when pushing the law. I know its not all about MPG- but i do wonder if i can get early 20's/early 30's if she was Mapped properly. A few people have recommended Quantum Tuning? Welcome Rosie J - The Newer Kid on the Block
RIP Rosie (We all Love Rosie - especially in S mode at the traffic lights)

15th Jan 2020 5:03pm

Weegie

Member Since: 09 Jun 2014
Location: East Sussex
Posts: 3190

2008 Range Rover Vogue TDV8 Stornoway Grey

Andy wrote:
My only worry is the EML coming on. Pete said it might.

If you mean because the EGRs are blanked off, if it is any help mine were blanked off a few months ago and there are no lights showing.

Using the mpg readout, which is, granted, optimistic, since then I am showing 29/30 running about mainly rural with some town work. Last month on a run to UK on motorway cruising at 70mph it was showing 30/31. As I said, I know that is optimistic but still much better than you are showing.

Have you reset the trip to see if there is any effect as the read out is an running averaging? John
2008 Stornoway Grey 3.6 Tdv8 Vogue
2005 TD6 Java Black Vogue - Written off!!
GAP iiD BT
2003 Discovery TD5 Auto, Nanocom Evolution - gone to a new home!
MasseyFerguson 152 - No electronics!! - Sold

15th Jan 2020 8:03pm

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