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Home > Maintenance & Mods (L405) > L405; Limp mode due to P040D-00 (2F) - which sensor is it?
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Landyandy1765



Member Since: 25 Mar 2019
Location: bournemouth
Posts: 56

United Kingdom 2010 Range Rover Vogue SE TDV8 Baltic Blue

I've had the same issue this week and still investigating.
Error codes p0105
Manifold absolute pressure high
And p040d
Exhaust gas recirculation temp high
Any help would be greatly received

Post #556383 3rd Jun 2020 4:24pm
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Tore2ls



Member Since: 18 Sep 2017
Location: Aberdeen
Posts: 9

Scotland 2014 Range Rover Vogue SDV8 Baltic Blue

The gremlin for me was two temperature sensors. The one I replaced in the pictures earlier in the thread and one further down the exhaust near the DPF.

I see you have some additional errors so it might be worth trying a forced a chemical cleaning foam and forced re-gen of the DPF?

Post #556387 3rd Jun 2020 4:36pm
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Landyandy1765



Member Since: 25 Mar 2019
Location: bournemouth
Posts: 56

United Kingdom 2010 Range Rover Vogue SE TDV8 Baltic Blue
4.4 2011 Tdv8

Well following the advice on the Egr temp sensor 2 i started and found that this in the most awkward place possible .
i started with testing the Sensor with a meter and found the one at fault was the one i couldn't get to on the N/S Exhaust manifold. the tool i ordered opened up causing it to slip on the sensor .
i snapped off the tall part of the sensor so i could get a 13mm socket on a long extension bar 1/2 inch. .
after 2 days all fine and code free .

Post #557625 14th Jun 2020 4:17am
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3517

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

yes tool will open up if used for removal so you did the right thing by cutting off end to get socket on for removal. Pre soaking would have probably saved some effort. Well done !

L322 sensor replacement guide here: https://www.fullfatrr.com/forum/topic50202.html

. Cheers, Greg
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #557627 14th Jun 2020 5:53am
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Landyandy1765



Member Since: 25 Mar 2019
Location: bournemouth
Posts: 56

United Kingdom 2010 Range Rover Vogue SE TDV8 Baltic Blue

Tore2ls wrote:
Landyandy1765, I think you are correct. The noise was nothing to do with the problem. The issue was a different temperature sensor that wasn't showing up on the fault code reader. The faulty temperature sensor was just before the cat and DPF.
[/quote]

i changed my Sensor and now the code has cleared and now im seeing a EGR regen as it didnt before .

Not had a problem since

Post #590956 12th Apr 2021 2:11am
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supershuttle



Member Since: 20 Mar 2011
Location: Lancashire
Posts: 3628

England 2013 Range Rover Autobiography SDV8 Luxor

I have been advised that this can safely be ignored - can it?




My car goes into "restricted mode" after about an hour of driving (since I had it serviced), although this "fault" is there all the time, well over a year. The garage I use has suggested changing sensors (I have had one done already) but it makes no difference and they have also said it might adversely affect the DPF. I accept the this might be the case if I carried on driving in restricted mode but a short stop or use of the IIDTool restores performance to normal.

I suspect that if I have all 6 sensors changed (which will cost me thousands of pounds) the fault might go away but the underlying issue, if any, will not have been addressed, so currently I'm thinking of not opening my wallet and saying "help yourself" to the garage (they obviously profit each time they change a sensor)

I have had guidance from another member that this is best ignored and I should look elsewhere for the underlying problem, anyone else got any thoughts or even gets the same message. Geoff

Post #620905 22nd Jan 2022 9:58am
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Cam-Tech-Craig



Member Since: 03 Aug 2011
Location: Gloucestershire
Posts: 16146

England 2015 Range Rover SVAutobiography SDV8 Loire Blue

Geoff, does your exhaust stink when running? My car smelt like an old ice cream van whilst the engine was running in a confined space… When I reversed mine in the garage at night it was very obvious! This was caused by the failure of the N.S. exhaust manifold probe, in the cool position. This resulted in my car overfueling, effectively running on choke and filling theDPF with unburnt diesel fuel!!!

My 2013 L405 was like this when I test drove it at purchase point… I believe the revised part was fitted from 2015MY 👍

Post #620912 22nd Jan 2022 10:42am
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supershuttle



Member Since: 20 Mar 2011
Location: Lancashire
Posts: 3628

England 2013 Range Rover Autobiography SDV8 Luxor

Thanks Craig,
Can’t comment on funny smells, not noticed any. Car runs great well over 30mpg unless of course restricted performance lights up Geoff

Post #620915 22nd Jan 2022 10:58am
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supershuttle



Member Since: 20 Mar 2011
Location: Lancashire
Posts: 3628

England 2013 Range Rover Autobiography SDV8 Luxor

The actual message from my car this afternoon is

The previous one was from someone who offered an opinion - that I should ignore it, which I may well do as the car is running fine until "Restricted Performance" pops up which is easily reset. Apparently it is a pretty common message and so long as I don't drive it in "Restricted Performance" (which I don't) no harm will be done. Geoff

Post #621098 23rd Jan 2022 2:38pm
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Baltic Blue



Member Since: 13 Aug 2015
Location: North Wales
Posts: 3660

United Kingdom 2011 Range Rover Vogue SE TDV8 Baltic Blue

Geoff,
Stop worrying !!!!!
This is dated 2018 and I am sure I could find earlier example of the code.
It’s still there today , 4 years later and will still be there in another 4 years, God willing I live that long Rolling with laughter

Click image to enlarge


Mike. G reg 2.5VM Vogue Portofino red 1991- 1999
V reg 2.5td P38 Rioja red 1999- 2006
53 reg td6 Vogue Oslo blue 2006- 2015
11 reg 4.4 TdV8 Vogue SE. Baltic blue 2015- date.
https://www.fullfatrr.com/forum/topic56162...tty+affair

Post #621103 23rd Jan 2022 3:01pm
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Baltic Blue



Member Since: 13 Aug 2015
Location: North Wales
Posts: 3660

United Kingdom 2011 Range Rover Vogue SE TDV8 Baltic Blue

2017, Rolling with laughter
I cleared the top fault in 2021, but PO 40 will be there forever.

Before I moved home I used to regularly have long chats with the owner of my local independent, who had the identical 4.4 tdV8 , other than colour. to mine.

I can quote his advice, when I asked him to change the sensor..


I wouldn’t want to take your money while the car is running so well.
The last one I changed, the manifold cracked getting it out and it was a very expensive repair.

He told me that it was best to leave it alone.

Click image to enlarge
 G reg 2.5VM Vogue Portofino red 1991- 1999
V reg 2.5td P38 Rioja red 1999- 2006
53 reg td6 Vogue Oslo blue 2006- 2015
11 reg 4.4 TdV8 Vogue SE. Baltic blue 2015- date.
https://www.fullfatrr.com/forum/topic56162...tty+affair

Post #621107 23rd Jan 2022 3:28pm
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supershuttle



Member Since: 20 Mar 2011
Location: Lancashire
Posts: 3628

England 2013 Range Rover Autobiography SDV8 Luxor

Thanks BB, that is the advice I have been given (not from the Indie at £300 a pop it's easy money for them) so I think I'll just run with it. Now I just need to get the DPF upgrade for my IIDTool to ensure regions are taking place normally.
Thanks again Geoff

Post #621139 23rd Jan 2022 7:32pm
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Captain_67



Member Since: 26 Feb 2024
Location: Ellesmere
Posts: 14

United Kingdom 2015 Range Rover Vogue SE SDV8 Corris Grey

Sorry to raise this given the amout of pain it caused

on the L405 could you advise me where the connector plugs into the harness so i can do some checks before replacing the sensor.

and yes mine does smell like an old ice cream van!

Thanks

Post #686502 26th Feb 2024 5:03pm
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