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Problems when towing
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Silver Fox
 


Member Since: 21 Jun 2009
Location: Rochdale
Posts: 121

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4
Problems when towing

Gents - On holiday in france with a pal and when towing and going over 3k revs his D3 goes in safe mode until he stops and resets the engine. Anybody got any ideas what it could be?? Cheers Thumbs Up  
Post #68300316th Aug 2010 2:40 pm
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camelrock
 


Member Since: 11 Oct 2008
Location: north yorkshire
Posts: 446

England 

Try a new fuel filter  
Post #68313316th Aug 2010 9:00 pm
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zarnd
 


Member Since: 23 Apr 2010
Location: Kent
Posts: 794

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Could be the turbo overboosting? Turning everything off and back on again will reset it

cheers Alex

2007 D3 TDV6 HSE
2009 Caterham Supersport
2005 FFRR Vogue SE 4.2 Supercharged
2004 SL55 AMG  
Post #68314816th Aug 2010 9:39 pm
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garden53dog
 


Member Since: 16 May 2010
Location: northamptonshire
Posts: 1

England 2006 Discovery 3 TDV6 S Auto Cairns BlueDiscovery 3
loss of power

i had the same problem when towing new turbo fitted now ok  
Post #68316116th Aug 2010 10:24 pm
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Silver Fox
 


Member Since: 21 Jun 2009
Location: Rochdale
Posts: 121

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

Cheers - still under warranty so will get it replaced when back to England. help much appreciated. Thumbs Up  
Post #68378318th Aug 2010 7:21 pm
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Ocsid
 


Member Since: 29 Nov 2005
Location: Hampshire
Posts: 255

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

I also had the same problem towing but was able to avoid it by limiting myself to about 55 mph.
And it was the the turbo vane sticking issue. The turbo's hot end vanes will not switch into the high power configuration so the engine management goes into protection mode.
It needs a new turbo, so staring life with clean vane bearings etc. This will be protected by a change in software that avoids the issue by excising the turbo vanes at every start, thus hopefully keeping the level of carbon build up tolerable.

If you keep the "dicky" turbo running only within the lower power range you can use it day long without any consequential damage issues, so you can complete the trip without concerns albeit rather slowly. Just dont try overtaking a stream of lorries up hill on the Autoroute, or like me you will need a change of underwear as well as a new turbo!  
Post #68391919th Aug 2010 7:53 am
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jdhx
 


Member Since: 16 May 2009
Location: Dorset/Devon border
Posts: 299

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Ocsid wrote:
I also had the same problem towing... ...a new turbo!


How old was the car and at what mileage did this happen Ocsid? Volvo XC60 - does all that the D4 should have done
Discovery HSE MY16 (good apart from the heating), now sold
Audi TT Roadster (wow)
MGB Roadster (owned since 1992)
Discovery 3 TDV6 HSE MY08
Saab 9-5 Aero 2002 (gone but not forgotten)  
Post #68393619th Aug 2010 8:39 am
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Ocsid
 


Member Since: 29 Nov 2005
Location: Hampshire
Posts: 255

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

jdhx wrote:
Ocsid wrote:
I also had the same problem towing... ...a new turbo!


How old was the car and at what mileage did this happen Ocsid?


The Disco is a late 2006, 2007MY [ie, first batch of Euro 4 engines], the mileage was 13K and it was 19 months old when it happened.

Edit; If you have been clear of the issue and had the turbo cycling software update then possibly the turbo's vane actuating system is kept clean enough. Will be interesting to know if the incidence of this problem on older Discos has been much less since they introduced the software change?  
Post #68396319th Aug 2010 9:39 am
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