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joe90t
Member Since: 28 Jun 2011
Location: wigan
Posts: 29
  
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| Has anybody else had this |
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On my D4 MY12 I have experienced the exhaust sounding really "throaty". There is no loss of power it drives as normal. It then stops once I have turned the engine of and restarted. I have covered around 7k and its happened around 6 times. Any advice would be appreciated
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 9th Dec 2011 8:49 am |
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amazing
Member Since: 05 Mar 2011
Location: chengdu
Posts: 1542
 
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sure its not the engine fan? It is better to have and not need it then need and not have it.
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| 9th Dec 2011 9:46 am |
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crews control
Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011
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Yes - I've heard that a few times... think it sounds rather nice so I've ignored it! 
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| 9th Dec 2011 10:49 am |
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Gareth
Site Moderator
Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26772
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Could it be the DPF cleaning cycle?
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| 9th Dec 2011 11:00 am |
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koen_dr
Member Since: 23 Mar 2010
Location: Zoersel
Posts: 39
 
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I noticed the exact same thing over the last weeks and sometimes when you stop and shut down the car it smells really burnt, starts fine 2min later and sounds normal again, indeed no power loss  2015 Discovery SDV6 HSE Fuji White with Black pack
Old:2010 LR4 Discovery 3.0TDV6 HSE Full Spec
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| 13th Jan 2012 1:28 pm |
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cherokee
Member Since: 03 Jul 2007
Location: preston
Posts: 562
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I've noticed that to, could it be the FBH thats what i thought it was, I never got out to check, but will do next time it
does it,it is getting colder and the FBH sounds different to the old D3, more throaty sound. Always walk behind a Shooter and
In front of a Sh*ter
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| 13th Jan 2012 2:14 pm |
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LiftedDisco
Member Since: 10 Jun 2010
Location: Towcester
Posts: 1002
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Yep - strange exhaust note and burnt smell when you get out of the car.
Has happened a few times - normally with a run of about 10 miles or so but can't identify any common ground and don't think that it's FBH related as it is more of an acrid smell...
Will watch this thread with interest! D4 Commercial - 65 Plate, 2016MY
D5 Commercial - Handed back when I left that job…
D4 Commercial (2014MY) - gone
D4 Commercial SDV6 - Baltic Blue (also gone)
D1 300TDi... 2" lift, HD bumpers (both), detachable tow hitch, 9,500lb winch, 235/85/16 muds and plenty of other toys (gone to make way for the next toy...)
Smiles per Mile - Tornado Motorsports caged Evo 3... 100" Defender look-alike, with Range Rover running gear - all fully IVA'd and registered!
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| 13th Jan 2012 6:10 pm |
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Baben
Member Since: 15 Feb 2006
Location: Kyalami
Posts: 2059
  
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DPF burnoff?
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| 13th Jan 2012 6:58 pm |
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euangibson
Member Since: 24 Dec 2010
Location: Borders
Posts: 11027
 
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LiftedDisco wrote:
Has happened a few times - normally with a run of about 10 miles or so
That would suggest it is indeed he diesel particulates burning off......I'm sure most dpf burn-offs require higher engine temp or at least 40 mph-ish to start the burn-off process.....so if you have had short,slow-speed journeys it may be more noticeable when it happens..... "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...
Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights
D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do...
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| 13th Jan 2012 7:17 pm |
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LiftedDisco
Member Since: 10 Jun 2010
Location: Towcester
Posts: 1002
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Erm - certainly not slow!
For instance homee to Milton Keynes station which is high speed A road and dual carriageway all the way or the other time that I have really noted this is the trip home from Brackley which is 10 miles of dual carriageway virtually door to door.
In each instance, I have been giving it some beans (late for train, late for dinner... not sure which is the most critical!) and put it down to simple over-enthusiasm...
Car is now on 25k at 11 months old. D4 Commercial - 65 Plate, 2016MY
D5 Commercial - Handed back when I left that job…
D4 Commercial (2014MY) - gone
D4 Commercial SDV6 - Baltic Blue (also gone)
D1 300TDi... 2" lift, HD bumpers (both), detachable tow hitch, 9,500lb winch, 235/85/16 muds and plenty of other toys (gone to make way for the next toy...)
Smiles per Mile - Tornado Motorsports caged Evo 3... 100" Defender look-alike, with Range Rover running gear - all fully IVA'd and registered!
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| 13th Jan 2012 7:59 pm |
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