Member Since: 22 May 2019
Location: Norfolk
Posts: 304
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?
5th Sep 2020 8:42 pm
dewillia
Member Since: 04 Aug 2019
Location: Wolverhampton
Posts: 71
It could be the DPF doing a regen
5th Sep 2020 9:31 pm
galwaygreen
Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525
cat ?
5th Sep 2020 11:01 pm
Andyyav
Member Since: 22 May 2019
Location: Norfolk
Posts: 304
Pretty sure I’ve not got a DPF, is there any way to check the cat?
6th Sep 2020 6:13 am
Kilovolt
Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1064
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.
The temperature test seems an easy thing to carry out in the first instance.
Good luck "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
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)
Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917
Option on the early versions, think it was standard in 2012Now Golf GTI PP, 7 speed DSG.
Ex D3 and D4
6th Sep 2020 7:03 pm
Andyyav
Member Since: 22 May 2019
Location: Norfolk
Posts: 304
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
6th Sep 2020 7:26 pm
adam
Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917
Possible cross over pipe failure?Now Golf GTI PP, 7 speed DSG.
Ex D3 and D4
Option on the early versions, think it was standard in 2012
Before then, It needed the DPF for Euro 5 compliance for January 2011.
6th Sep 2020 7:56 pm
Weyboat
Member Since: 13 Apr 2018
Location: Weymouth
Posts: 273
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 NumberGone 2016 Landmark D4
Current 2015 HSE D4 - AKA - 'Gandalf the Grey'
6th Sep 2020 8:02 pm
Andyyav
Member Since: 22 May 2019
Location: Norfolk
Posts: 304
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!
6th Sep 2020 9:12 pm
Andyyav
Member Since: 22 May 2019
Location: Norfolk
Posts: 304
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
19th Oct 2020 8:16 pm
AdamRandall
Member Since: 31 Aug 2020
Location: Brandon, Suffolk
Posts: 153
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!
19th Oct 2020 10:17 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5043
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
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