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EGR pipe/valve
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ianm27
 


Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154

England 2012 Discovery 4 3.0 SDV6 GS Auto Orkney GreyDiscovery 4
EGR pipe/valve

Had the dreaded Restricted Performance warning come up a few times over the last few days. Also can hear a definite whooshing/breathing sound on acceleration from near-side front.

Plugged in my Autel code reader and got the error message P1247-00 Turbocharger boost pressure low.

I know its not the inlet manifolds as had both replaced in August. Took it to the garage and he sprayed soapy water over the near side engine bay and suggested it is the EGR pipe that has broken or the EGR valve that needs replacing.

Booked in tomorrow for the garage to investigate and fix Big Cry Big Cry Big Cry
 Uncle Ray's spare wheel protector
Limo Tint
Blackvue front & rear dashcam
Cruise control switch pack
Bodsy's remote for FBH 


Last edited by ianm27 on 9th Feb 2021 9:56 pm. Edited 1 time in total 
Post #22091889th Feb 2021 4:38 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 301

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

Had something similar on mine. Also had fumes in the cab on idle, mine was the Offside EGR to exhaust manifold pipe, I went in through the wheel arch and done it on the drive, tight but manageable!

  
Post #22092499th Feb 2021 8:27 pm
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ianm27
 


Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154

England 2012 Discovery 4 3.0 SDV6 GS Auto Orkney GreyDiscovery 4

The garage have now been able to diagnose the fault - it is the cross over exhaust pipe. Unfortunately this means the gear box has to come off to fix Big Cry Big Cry
 Uncle Ray's spare wheel protector
Limo Tint
Blackvue front & rear dashcam
Cruise control switch pack
Bodsy's remote for FBH 
 
Post #221154617th Feb 2021 5:53 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 301

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

Nasty, sounds expensive 🤢
  
Post #221185218th Feb 2021 8:14 pm
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thisandy
 


Member Since: 28 Jan 2018
Location: Pembrokeshire
Posts: 293

Wales 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4

ianm27 wrote:
The garage have now been able to diagnose the fault - it is the cross over exhaust pipe. Unfortunately this means the gear box has to come off to fix Big Cry Big Cry

There is a detailed thread on here that suggests it’s possible to do it with the gearbox in situ
https://www.disco4.com/forum/topic116505.h...sover+pipe
  
Post #221185518th Feb 2021 8:36 pm
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ianm27
 


Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154

England 2012 Discovery 4 3.0 SDV6 GS Auto Orkney GreyDiscovery 4

Thanks for the link thisandy but I am letting the garage fix this for me, no where near brave enough to attempt this on my own
 Uncle Ray's spare wheel protector
Limo Tint
Blackvue front & rear dashcam
Cruise control switch pack
Bodsy's remote for FBH 
 
Post #221227120th Feb 2021 1:25 pm
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tkcG4
 


Member Since: 24 Oct 2021
Location: Whitburn
Posts: 1

Scotland 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Andyyav wrote:
Had something similar on mine. Also had fumes in the cab on idle, mine was the Offside EGR to exhaust manifold pipe, I went in through the wheel arch and done it on the drive, tight but manageable!



Just found the same problem on wifes Discovery 4 (LR part number LR020548), this is the one on the offside/drivers side if your car is a RHD UK spec, big hole in this pipe between EGR valve and turbo, fault came up as restricted performance low boost pressure at turbo.

Hope this helps
 Land Rovers, they give you the freedom to explore.  
Post #22597631st Nov 2021 11:57 am
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 914

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

Just had mine repaired also.
  
Post #22598411st Nov 2021 7:33 pm
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halliday51
 


Member Since: 22 May 2020
Location: REDDITCH
Posts: 15

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Unknown ColourDiscovery 4

tkcG4 wrote:
Andyyav wrote:
Had something similar on mine. Also had fumes in the cab on idle, mine was the Offside EGR to exhaust manifold pipe, I went in through the wheel arch and done it on the drive, tight but manageable!



Just found the same problem on wifes Discovery 4 (LR part number LR020548), this is the one on the offside/drivers side if your car is a RHD UK spec, big hole in this pipe between EGR valve and turbo, fault came up as restricted performance low boost pressure at turbo.

Hope this helps


Thx for this but although this may be the a Fix it may not be THE FIX as the hole is on a strengthened area the arch which is in strength but from a serious misfire from Turbo this could also happen again so it is important to know the turbo is also in tact
  
Post #229517210th Jun 2022 9:40 pm
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