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Fumes, how does yours smell!
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4
Fumes, how does yours smell!

Noticed recently my 2010 D4 exhaust fumes are getting stronger, anyone had experience of this or have any ideas what I should check? I use shell or BP diesel, just been serviced runs and drives fine small amount of smoke on start up but nothing when driving any ideas?
  
Post #21718455th Sep 2020 9:42 pm
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dewillia
 


Member Since: 04 Aug 2019
Location: Wolverhampton
Posts: 71

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

It could be the DPF doing a regen
  
Post #21718605th Sep 2020 10:31 pm
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

cat ?
  
Post #21718686th Sep 2020 12:01 am
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Pretty sure I’ve not got a DPF, is there any way to check the cat?
  
Post #21718876th Sep 2020 7:13 am
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1040

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

By bad smell are we talking rotten eggs (sulphur)?

It is a sign of a failing cat.

Robbed from the t'internet. Might be worth a read.

https://axleaddict.com/auto-repair/How-to-...-Converter

The temperature test seems an easy thing to carry out in the first instance.

Good luck Thumbs Up
 "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile 
 
Post #21719976th Sep 2020 4:51 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 

Think I’ve read that all D4’s have a DPF, though it might just be the SD versions. A vin check would settle it.

https://www.disco4.com/wiki/Vehicle_Identification_Number
  
Post #21720496th Sep 2020 7:57 pm
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adam
 


Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917

United Kingdom 

Option on the early versions, think it was standard in 2012
 Now Golf GTI PP, 7 speed DSG.
Ex D3 and D4 
 
Post #21720506th Sep 2020 8:03 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Cheers Kilovolt an interesting read, mine doesn’t smell like rotten eggs just real strong exhaust fumes, I’ve no codes registered wondered if it was a dodgy Egr/ map / maf sensor but again no codes, MPG is around 26 - 28 which I think is ok ( AT tyres roof rack laddder etc) so not over thirsty, maybe I’ll check the live values and see if there’s any difference on the map sensors etc may also try the cat temp check as it’s easiest!
Thanks all, I’ll report back if I find anything
  
Post #21720526th Sep 2020 8:26 pm
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adam
 


Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917

United Kingdom 

Possible cross over pipe failure?
 Now Golf GTI PP, 7 speed DSG.
Ex D3 and D4 
 
Post #21720536th Sep 2020 8:43 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 

adam wrote:
Option on the early versions, think it was standard in 2012


Before then, It needed the DPF for Euro 5 compliance for January 2011.
  
Post #21720566th Sep 2020 8:56 pm
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Weyboat
 


Member Since: 13 Apr 2018
Location: Weymouth
Posts: 263

England 2015 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

VIN number will show you if it has a dpf, here is a sample one
SAL = Land Rover UK
LA = Discovery 3/4
A = Standard
A = 4 Door
G = 3.0 TDV6 with DPF
5 = RHD Automatic 8 speed
G = 2016
A = Solihull Warwickshire
Unique 6 Digit Vehicle Serial Number
 Gone 2016 Landmark D4
Current 2015 HSE D4 - AKA - 'Gandalf the Grey' 
 
Post #21720606th Sep 2020 9:02 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

How very handy! I’m an ‘F’ 3.0 TDV6 so no DPF, I’ve only ever read bad things about crossover pipes, looks like I’ve some searching to do!
  
Post #21720656th Sep 2020 10:12 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Now getting what I think are exhaust fumes inside the cabin on start up and when sitting at idle, it’s stronger on start up
Does anyone have a layout for the air ducting? Figured I could look along it’s route for issues I’ve looked on lrcat but couldn’t find it
  
Post #218111319th Oct 2020 9:16 pm
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AdamRandall
 


Member Since: 31 Aug 2020
Location: Brandon, Suffolk
Posts: 153

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Barolo BlackDiscovery 4

Following!
I get a strong sulphur smell when idling for extended periods. Fortunately there’s no smell in the cabin though.
To be honest I thought it was normal for Diesel engines. Back when I was working on the roads we used to leave the engine of our vans running for hours and It was common for them to start smelling, Merc Sprinters were the worst offenders!
  
Post #218113619th Oct 2020 11:17 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4838

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Andyyav wrote:
Now getting what I think are exhaust fumes inside the cabin on start up and when sitting at idle, it’s stronger on start up
Does anyone have a layout for the air ducting? Figured I could look along it’s route for issues I’ve looked on lrcat but couldn’t find it


There's no external air ducting as such, fresh air is drawn in from the plenum chamber under the plastic cover which can be seen beneath the wipers.

If you have exh fumes in the cabin it needs to be investigated for obvious reasons. In the meantime you could try "recirculation" on the HVAC panel which will prevent fresh air entering and hopefully keep the exh fumes out until diagnosed.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #218114919th Oct 2020 11:57 pm
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