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Cheapest ever fix ?
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26681

United Kingdom 

Oh dear. I hope I’m wrong, but possibly maybe could be a cracked inlet manifold? However, I presume the smoke test would have shown it up?
  
Post #21429181st May 2020 4:25 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Smoke takes the path of least resistance

If there is a bigger leak, it will show up that one first, and mask the smaller one
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Post #21429261st May 2020 4:42 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 11027

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

I was concerned about a cracked manifold.....perhaps the smaller leaks were so obvious that it might need another smoke test to confirm there are no further issues.
Anyway, it’s back with him....watch this space
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #21429411st May 2020 5:09 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

When is it faulting?

Completely intermittent, or under load?
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Post #21429581st May 2020 5:44 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 11027

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Usually when the wife is driving....so under hard acceleration/load Rolling Eyes
Doesn’t do it to me on cold start, but does on warm/hot start....
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #21429921st May 2020 8:00 pm
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marsie
 


Member Since: 28 Feb 2010
Location: Sheffieldish
Posts: 1804

England 2013 Discovery 4 3.0 SDV6 XS Auto Firenze RedDiscovery 4

Have had exactly same on mine. Never from cold, decent run-turn off then restart and get restricted performance message(no actual loss of performance). Fault read on cheapo code reader and no faults. Fault read with IID tool and got water in fuel sensor circuit fault

Changed fuel filter and not had issue in 600 miles (touch wood) 8)
 Previous Discos
1989 200tdi 3dr
1994 300tdi ES
1995 3.9 ES (x3)
2000 4.0 adventurer
2001 4.0 ES
2005 D3 HSE (zambesi silver)
2007 D3 SE (Lugano teal)
2011 D4 XS (Baltic Blue)
2008 D3 HSE PREMIUM (buckingham blue)
2009 D4 XS (Nara bronze)
2006 D3 Metropolis (Java Black)
2012my D4 HSE (indus silver)
Current 2013 D4 XS (Firenze red) 
 
Post #21430001st May 2020 8:49 pm
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2136

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

The faulty fuel sensor housing is a common problem
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #21430091st May 2020 9:23 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Thats the next question, is it actually restricting power, and what fault codes are stored?
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TDV8 Retrofit Build Thread 
 
Post #21430141st May 2020 9:47 pm
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waterbuoy
 


Member Since: 26 Oct 2013
Location: Argyll
Posts: 2855

United Kingdom 2009 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3
Re: Cheapest ever fix ?

euangibson wrote:
For a couple of months now, I’ve had the dreaded “Restricted Performance” warning come up intermittently, followed by, erm, restricted performance.
I had the fault code read, and feared the worst (P1247-00 Turbocharger boost pressure low)
Only making short local journeys at the moment, I’ve largely been able to drive round the issue, but overtaking a tractor yesterday, the sudden and unexpected lack of grunt on a country road became dangerous.


Whistle Whistle
 Currently 2009 Disco 3 SE and 2013 MY D4 HSE
Previously:
TD5 Defender 110 CSW (230k miles)
300TDi Disco 1 (289k)
4 RR Classics (300-350k each, 2 manual, 2 auto)
110 V8 CSW (220k)
S3 109 hi cap pickup (ex RN)
S2A 88 Safari SW with lpg conversion (bloody lethal) 
 
Post #21430161st May 2020 9:56 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

It was late
I was tired
I was a few gins worse at that point
I hit the new posts button
Go away

Thumbs Up

P.S. Euan, sounds like a manifold, but check these too: https://www.disco3.co.uk/forum/aberdeen-in...87986.html
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #21430342nd May 2020 6:37 am
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 11027

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Thanks all.....yes, switching it off and on again seems to sometimes clear it, but not always......I did pass on the message about it potentially being the manifold so let’s wait and see
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #21430452nd May 2020 8:10 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26681

United Kingdom 

Is yours a 2013 car Euan?
  
Post #21430462nd May 2020 8:34 am
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 11027

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

‘62 plate Gareth
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #21430492nd May 2020 8:42 am
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Gareth wrote:
Yes but think about it, there is no time in any one cylinder that an inlet valve is open, at the same time as an exhaust valve.

It’s like one of those water flow puzzles you see on Facebook! Took me a while to get it.


'Modern' engines still have valve overlap don't they to scavenge exhaust gases?
   
Post #21430652nd May 2020 10:26 am
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nigel207
 


Member Since: 26 Mar 2009
Location: Nottinghamshire
Posts: 1342

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

I had a similar issue with our “old” MY2010 car. It only did it when towing the caravan and accelerating. If I stopped, closed the car and left it for 30 seconds it always cleared, but it was heart in mouth time every time we put the caravan on. It turned out to be something on the secondary turbo (actuator? - it’s a few years ago now!), which made sense as I got the message and lack of performance just about at the point where the secondary turbo would be kicking in (2,800 - 3,000 rpm ISTR).

Just a thought.
  
Post #21430732nd May 2020 11:37 am
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