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Engine or Transmission fault?
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Blue62
 


Member Since: 07 Sep 2011
Location: Midlands
Posts: 87

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Sumatra BlackDiscovery 4
Engine or Transmission fault?

Anyone else experienced a jerky moment in their D4? I've had two instances recently that lasted for a mile or so where the car feels that it's either jumping between gears or the power is cutting in and out, it's hard to identify the issue. On both occasions it's been at lowish speeds (40mph) after a 10 mile gentle run.
  
Post #10486664th Feb 2013 10:27 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26774

United Kingdom 

Similar...
http://www.disco3.co.uk/forum/topic88239.html
  
Post #10486754th Feb 2013 10:47 am
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LiftedDisco
 


Member Since: 10 Jun 2010
Location: Towcester
Posts: 1002

United Kingdom 2016 Discovery 4 3.0 SDV6 Commercial Auto Barolo BlackDiscovery 4

Gareth... mine was very definitely 'at speed'

Embarassed

The Hartwell's service manager lives just around the corner from me and when he dropped the D4 back after they did the throttle body, he admitted that they have a 'known problem' at 80 or so but that most people are to sheepish to admit their speed when complaining about the hesitation...

Whistle
 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! 
 
Post #10503706th Feb 2013 7:09 pm
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Chief Stoker
 


Member Since: 16 Aug 2012
Location: Aberdeenshire
Posts: 8

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4
Re: Engine or Transmission fault?

Blue62 wrote:
Anyone else experienced a jerky moment in their D4? I've had two instances recently that lasted for a mile or so where the car feels that it's either jumping between gears or the power is cutting in and out, it's hard to identify the issue. On both occasions it's been at lowish speeds (40mph) after a 10 mile gentle run.


Happened to mine on the way home from work tonight, Jan 12 HSE 10,500 mls. Never done it before, also noticed a strange smell too, like burning, can't decide if it was like burnt rubber (fan belt type smell) or ATF fluid. Will see how I get on tomorrow.
  
Post #10509557th Feb 2013 7:49 pm
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LiftedDisco
 


Member Since: 10 Jun 2010
Location: Towcester
Posts: 1002

United Kingdom 2016 Discovery 4 3.0 SDV6 Commercial Auto Barolo BlackDiscovery 4

@ Chief Stoker...

I would suspect that this is the DPF regenerating (burning off the old crap...) - you'll find you get a different exhaust note when this happens.

Smell of burning etc is quite disconcerting when it happens but I suspect nowt wrong all in all...
 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! 
 
Post #10510007th Feb 2013 8:41 pm
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Chief Stoker
 


Member Since: 16 Aug 2012
Location: Aberdeenshire
Posts: 8

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4

DPF of course, never thought of that Thumbs Up

Done a couple of hundred miles since not stuttered again so guess its not a bug more a feature.
  
Post #105257110th Feb 2013 12:34 pm
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