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Potential EGR issue ?
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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
Potential EGR issue ?

While having a look to see what my MAP sensor looked like after 22k miles (pretty clean) I noticed that the EGR valve pipe on the right has a black,oily exhaust residue on it,which seems to be coming from the upper join.....I don't have any issues other than I think my engine is running a touch lumpier than it used to (the reason I was checking the MAP sensor)
So should I be getting this checked or is it not an issue ?
Left EGR pipe.....clean...
Click image to enlarge

Right EGR pipe with exhaust deposit .....I cleaned a tiny area to show the extent.....

Click image to enlarge
 "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 #11998809th Dec 2013 3:53 pm
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ridgeback_moor
 


Member Since: 11 Mar 2008
Location: Gateway to the Moors
Posts: 1789

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

Did you investigate the EGRs further? I've not seen much discussion on here regarding D4 EGRs, which can only be a good thing! Looking online last night, D4 EGRs seems to be over £300 each, so I hope they are more reliable than the version fitted to the D3! When the weather improves I'll take the pipes off mine to see how gunked up they are.
 Previously:
2005 D3 2.7 TDV6 S
1984 90 2.25 Petrol CSW
1992 90 200TDi Hard Top
1995 Discovery ES 300TDi
2003 90 TD5 Truck Cab

 
 
Post #12311065th Feb 2014 11:10 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

Nice timing...I had forgotten about this....it's in today having work,I'll mention it Thumbs Up
 "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 #12311495th Feb 2014 12:36 pm
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Mambosasa
 


Member Since: 31 May 2013
Location: Birmingham
Posts: 226

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Ipanema SandDiscovery 4

Are D4 EGRs serviceable? ie, are we able to do DIY clean them? There must be a number of high miler D4s now, it would be good to know whether or not they have caused any issues thus far.
 D4 HSE all the way
 
 
Post #13374029th Sep 2014 8:26 pm
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