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Temporary Power Loss
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alfamale
 


Member Since: 25 Jul 2011
Location: Stroud, Gloucestershire
Posts: 2185

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Zermatt SilverDiscovery 4
Temporary Power Loss

Hi all

Have taken a look around the forum but nothing definitively answers my question.

From time-to-time, and usually only when accelerating from a crawl and not a standing start, power is applied and then suddenly seems to dies until I completely release the accelerator and try again.

Until a couple of weeks ago I had only experienced this very occasionally and at one particular junction that's facing downhill, requires a near 180 degree turn, but does not need the car to come to a complete stop before taking off. However, in recent weeks it's becoming more common (perhaps a few times a week) and seems to happen at alternative locations and under slightly different circumstances.

Could this simply be that the gearbox hasn't selected the gear it needs or am I looking at something more serious?

The car is due in at Listers a week on Monday to try to source the juddering fault I mentioned here a couple of weeks ago, so if you have any thoughts ahead of this I'd appreciate it.

Thumbs Up
 Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.

 
 
Post #118761514th Nov 2013 4:22 pm
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Do you have a 6-speed box?
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Post #118762114th Nov 2013 4:34 pm
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alfamale
 


Member Since: 25 Jul 2011
Location: Stroud, Gloucestershire
Posts: 2185

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Zermatt SilverDiscovery 4

Sorry, should have stated that...yes Embarassed
 Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.

 
 
Post #118762814th Nov 2013 4:50 pm
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JonM
 


Member Since: 24 May 2012
Location: North Yorkshire
Posts: 1239

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Possibly activation of the brake pedal switch?

Either a faulty switch or a clumsy foot that's pressing the brake pedal and the accelerator at the same time could cause it.
 MY2022 D5 HSE D300 - with extra nice bits added
MY2019 D5 HSE 3.0 SDV6 - sold to a dealer for a crazy price! - So good I bought another!
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Post #118762914th Nov 2013 4:50 pm
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alfamale
 


Member Since: 25 Jul 2011
Location: Stroud, Gloucestershire
Posts: 2185

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Zermatt SilverDiscovery 4

I am a size 12 but am pretty sure it's not my clumsy foot.
 Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.

 
 
Post #118763014th Nov 2013 4:52 pm
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alfamale
 


Member Since: 25 Jul 2011
Location: Stroud, Gloucestershire
Posts: 2185

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Zermatt SilverDiscovery 4

Just had a call from the main dealer. They've had the car now for a day and found a faulty brake sensor, which wasn't communicating with the ECU properly. The accelerator wouldn't therefore work properly as it thought the brakes were being applied.

Sound plausible?
 Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.

 
 
Post #11972084th Dec 2013 11:28 am
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JonM
 


Member Since: 24 May 2012
Location: North Yorkshire
Posts: 1239

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Yes, very plausible. Thumbs Up
 MY2022 D5 HSE D300 - with extra nice bits added
MY2019 D5 HSE 3.0 SDV6 - sold to a dealer for a crazy price! - So good I bought another!
MY2012 D4 HSE 3.0 SDV6 - retired to a new home
 
 
Post #11972344th Dec 2013 12:31 pm
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sacimiddx
 


Member Since: 09 Mar 2007
Location: hants
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United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Yes
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Post #11973194th Dec 2013 3:24 pm
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alfamale
 


Member Since: 25 Jul 2011
Location: Stroud, Gloucestershire
Posts: 2185

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Zermatt SilverDiscovery 4

That's what I liike to hear Thumbs Up
 Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.

 
 
Post #11973384th Dec 2013 4:07 pm
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