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Loss of power when accelerating through 1800 - 2000 rpm
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owl1972
 


Member Since: 18 May 2008
Location: S Yorks /Lincs
Posts: 26

England 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3
Loss of power when accelerating through 1800 - 2000 rpm

Towing my van back from the dales this morning, my 55 HSE auto has developed a disturbing fault whereby accelerating through 1800-2000rpm range it virtually dies on me until the box changes down, revs jump sky high and i regain some momentum. Very disconcerting at roundabouts where with the van on I literally nearly came to a standstill while trying to pick up speed again. Still noticable without the caravan, but not as dangerous. Having read similar threads, I'm still not sure about what the issue might be. Anyone suffered similar? Thanks, Richard.
  
Post #53585517th Oct 2009 4:56 pm
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Buckingham
 


Member Since: 08 Mar 2006
Location: Hampshire
Posts: 957

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I'm no expert but when mine did this it turned out to be EGR valves....
Do a search and read some of the threads about this...
 nil admirari

835 
 
Post #53586317th Oct 2009 5:09 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
Posts: 6019

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

When it picks up do you get a cloud of balck smoke. Recently had the same thinking it was the gearbox and turned out to be EGR fault.
  
Post #53586517th Oct 2009 5:12 pm
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Archeci
 


Member Since: 17 Jul 2009
Location: East Yorkshire
Posts: 558

England 2005 Discovery 3 TDV6 S Manual Tonga GreenDiscovery 3

I'd have to agree and say EGR valves too, been at dealer this morning with mine. Plugged into diagnostic machine revealled EGR fault. Having both replaced week after next!

Lee
 Tonga Green TDV6 S

Remember laughing or smiling confuses the management. 
 
Post #53587117th Oct 2009 5:23 pm
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owl1972
 


Member Since: 18 May 2008
Location: S Yorks /Lincs
Posts: 26

England 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Thank you for your replies. I haven't noticed any black smoke on pick up, no. But I will check out the threads on the EGR problems. Another interesting symptom (politely put...) is that when wanting to set cruise control at 60mph with the van on the back, it's around 2000rpm,and the car slowing loses power, regardless of the cruise control having been set to control the cars road speed. Thanks again.
  
Post #53588717th Oct 2009 5:46 pm
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