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Loss of Power
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kljw
 


Member Since: 06 Aug 2011
Location: Edinburgh
Posts: 185

Scotland 
Loss of Power

Hi all
my wife has mentioned that on 2 occassions now, that she has exsperianced loss of power. she described it happening at low speed and engine rpm, while cornering. she goes to accellarate, but nothing, then as quick as it happens, all come back and all is fine.

any one else exsperianced this? D4 is 2 weeks old on friday.
 Cheers
Keith 
 
Post #87377321st Dec 2011 2:13 pm
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mr.t
 


Member Since: 11 Jun 2011
Location: Cypress, TX(Ex Newcastle)
Posts: 311

United States 2010 LR4 5.0 V8 HSE Auto Alaska WhiteLR4

Carpet, Shoe, Foot brushing brake pedal.

Super fast lightning reactions faster then LR canbus from brake to accelrator?

(Brake pedal press whilst accelerating kills power)
 LR4 HSE 5.0 V8 Alaska White
LR4 HSE 5.0 V8 Nara Bronze (Gone)
D4 Landmark SDV6 Black(Gone)
Velar 240 S Eiger Grey
FLTRXST
 
 
Post #87378321st Dec 2011 2:55 pm
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kljw
 


Member Since: 06 Aug 2011
Location: Edinburgh
Posts: 185

Scotland 

mr t
that seems a reasonable answer, as both vehicles are fitted with hand controls so i can drive them.
 Cheers
Keith 
 
Post #87378821st Dec 2011 3:17 pm
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Bill Wright
 


Member Since: 03 Nov 2007
Location: Glorious Devon
Posts: 3254

England 2015 Discovery 4 3.0 SDV6 SE Tech Auto Kaikoura StoneDiscovery 4

Yes Keith. A couple of times (new four weeks ago) when slow cornering into an incline, as the gearbox has kicked down, there has been that type of lag in the revs. It's only a split second but enough to notice it (evidently). I'll live with it for a while and see if it disappears than try the dealer for a resolution.

Bill Wright Thumbs Up
 Never take life too seriously. Nobody gets out alive anyway.


D4 SDV6 SE Tech Kaikoura Stone MY15. 
 
Post #87389321st Dec 2011 6:03 pm
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ilron
 


Member Since: 18 Jul 2009
Location: By the sea west of the mountains
Posts: 96

Norway 2010 Discovery 4 3.0 TDV6 HSE Auto Rimini RedDiscovery 4

I had similar symptoms on mine:

http://www.disco4.com/forum/topic65631.html

Quick fix, but the dealer had to order the part first.
  
Post #87541825th Dec 2011 3:07 pm
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t7mbo
 


Member Since: 19 Apr 2007
Location: West Midlands
Posts: 242

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

Bill Wright wrote:
Yes Keith. A couple of times (new four weeks ago) when slow cornering into an incline, as the gearbox has kicked down, there has been that type of lag in the revs. It's only a split second but enough to notice it (evidently). I'll live with it for a while and see if it disappears than try the dealer for a resolution.

Bill Wright Thumbs Up


getting exactly the same on ours. You go round a corner,put your foot down and nothing happens. Suddenly seems to realise that you want power and takes off like a scalded cat!

Experimented today driving in a straight line. Took my foot off the throttle and let the car slow naturally to about 10mph. Put my foot on the throttle and there is a massive delay until anything happens.

Have also noticed when entering an island, that the car seems to be in too low a gear!It doesnt seem to change down automatically to a low enough gear.

Its going back to the deler next week. not bad eh! 2 weeks old, 540 miles on the clock and its already been back twice.

First time was a restricted performance message and the deler said a rat had eaten through a vacuum pipe!
  
Post #88333214th Jan 2012 5:01 pm
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Calis
 


Member Since: 10 Sep 2012
Location: Sydney
Posts: 21

Australia 2009 Discovery 4 TDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4

start using the command shift and shift manually! Very Happy

I find in city it works much better, no response issues.

When in full auto mine feels like it likes driving around in 4th unless I really boot it then it will drop back.
  
Post #98368830th Sep 2012 12:46 pm
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gseum
 


Member Since: 15 Feb 2010
Location: Germany
Posts: 165

Germany 2010 LR4 5.0 V8 HSE Auto Zermatt SilverLR4

Above the solution for this problem was posted: Go to your dealer, there is a fix for that. There is a valve that will probably be changed and also there is a software update for the brake sensor, which in some situations gives the signal not to accelerate for security reasons (especially when doing turns or so).

Greetings from Germany
gseum
 Discovery 4/LR4 HSE 5.0 V8 MY2010 // Volvo XC60 II T8 Inscription Fusion Red MY2020 // Hyundai Kona Electric Trend MY2020 // Bürstner TravelVan 620G MY2020  
Post #9841961st Oct 2012 4:44 pm
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D4Comm
 


Member Since: 08 Dec 2007
Location: Suffolk
Posts: 317

England 2016 Discovery 4 3.0 SDV6 Commercial XS Auto Corris GreyDiscovery 4

Also experienced loss of power 3 times in last 24hrs. No warning lights on dash.

1st: Slowing down to turn into a junction, apply power, nothing for 1-2 secs then it came back.
2nd: Pulling out of a junction, no power for 1-2 secs then it came back
3rd: Only a minute after 2nd time, died as turning into drive, then power came back.

Only other thing I've noticed, a few times preceding these events is the battery light has stayed on after starting for a few secs but suspect this is unrelated?

Any ideas appreciated.
 11 RR 4.4 TDV8 Smile
15 D4 Comm SDV6 Smile
58 RR 3.6 TDV8 (Gone)
12 D4 Comm SDV6 (Gone)
08 D3 Comm TDV6 (Gone)
54 D2 Comm TD5 (Gone) 
 
Post #107756224th Mar 2013 9:34 pm
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