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Faulty EGR Valves on my D3
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geoff.
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Member Since: 24 Jan 2010
Location: West kent
Posts: 8256

England 
Re: Faulty EGR Valves on my D3

anil saggar wrote:
Hi

I have a problem with black smoke coming from my car, the mechanic told me its my egr's How do I have them blanked off or remapped.
I live in Bromley kent. Any help please


u get your post count up then give me a shout Thumbs Up
 

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Post #170439511th Sep 2016 4:28 pm
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latnutgub
 


Member Since: 25 Aug 2011
Location: Huddersfield
Posts: 3

United Kingdom 2007 Discovery 3 TDV6 XS Manual Tonga GreenDiscovery 3
EGR Valve type 2008 Euro 4

Hi Forum members. First time post for me, but I have been a casual observer for the last few years. I think I have gone through most of the Disco 3 faults Fog lights, Airbag wrng light, Suspension compressor, EPB etc. Now after 8 years and 48000miles I have to replace the EGR valves according to my Faultmate. EGR blanking is not on for me as I use the car in Germany and emissions and modifications are looked at closely come test time. I ordered 2 EGR valves from a local Auto factors (Euro 140 for both), he says they are the same as the Peugot/Citroen 2.7HDI versions. I know my engine is a Euro4 spec. So with a spare morning to do these I took the RHS apart then got my specially bought Torx30 tool to start unscrewing the failed items. Then I noticed that the new EGR valves have no thread to screw the Torx bolt into. Does anyone have any experience of this ? , my first thought is to put a nut and bolt in. Reassembled the RHS now, started to get cold outside. Big Cry FBH is working so that is some comfort Smile
  
Post #175587531st Dec 2016 12:04 am
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latnutgub
 


Member Since: 25 Aug 2011
Location: Huddersfield
Posts: 3

United Kingdom 2007 Discovery 3 TDV6 XS Manual Tonga GreenDiscovery 3
EGR Valve type 2008 Euro 4

This shows my new EGR valve. Its come with no threads.
 

Last edited by latnutgub on 2nd Jan 2017 3:41 pm. Edited 1 time in total 
Post #175588431st Dec 2016 12:21 am
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Skynet
 


Member Since: 23 Jul 2014
Location: Melksham, Wiltshire
Posts: 579

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

I take it that there is thread on the old unit then? Otherwise I would say that the bolt passes through those holes and screws into the bit that the egr valve mates up to?
 Dave
D3 2006 HSE, Cairns Blue

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Post #180405216th Apr 2017 9:29 am
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Skynet
 


Member Since: 23 Jul 2014
Location: Melksham, Wiltshire
Posts: 579

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

So I have been following the thread as I have fault codes relating to the egr A and C sensors reading high. Is this an indication of failed egr valves?
I had the bits off yesterday and cleaned up the egr ports, I haven't blanked them yet though I do have the kit as I feel that I'd rather have it working than blanked unless really necessary. The car pulls fine even towing the caravan. My issue is the delay pulling away due to a delay from pedal press to engine response. That could be just a remap fix.
Any ideas?
 Dave
D3 2006 HSE, Cairns Blue

Wessex 4x4 Response
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Post #180405716th Apr 2017 9:37 am
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Disco_Mikey
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Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 15547

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

A faulty EGR valve will amplify the turbo lag, or lack of throttle response

Quite why anyone would go to the extent of removing the valves, cleaning them and refitting, when blanking is much quicker, cheaper and easier, is beyond me Confused
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Post #180406516th Apr 2017 10:32 am
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Skynet
 


Member Since: 23 Jul 2014
Location: Melksham, Wiltshire
Posts: 579

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Laughing because you do it as a matter of course.

I started by wanting to clean the stubs, which went a bit further than expected. As my mindset wasn't in blanking mode I just carried on and put them back. But I can see how easy it is.... other than the offside bolts on the valve... a bit tricky to access down there.

But this has got me thinking, wouldn't it be so much easier just to remove the butterfly flap? I know blanking stops the EGR routing and deposits, which after 11 years wasn't that bad to be honest. However removing the flap opens up the airway anyway which is what happens when its hot.

I'm trying to maintain some effort in emissions though and wondered about this version of modding the EGR
 Dave
D3 2006 HSE, Cairns Blue

Wessex 4x4 Response
http://www.wessex4x4response.org.uk/ 
 
Post #180407816th Apr 2017 11:24 am
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Disco_Mikey
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Member Since: 29 May 2007
Location: Dundee, Scotland
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Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Just removing the butterfly won't make any difference Thumbs Up

Blanks are fit and forget Thumbs Up

Emissions, probably best not open that can of worms again... Whistle
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Unit 3, 42 Baird Avenue
Dundee
DD2 3TN

Alive Tuning Authorised Dealer - Performance Tuning + EGR Delete

Servicing + Repairs / Autobox Flushing / Fault Diagnostics / EU3+EU4 EGR Blanking / Timing Belt + Oil Pump Replacement

Software Updates+Upgrades:
4x4 Info Enable / Sat Nav OTM / 3 Flash indicators / D4 Timed Climate Retrofit

My D3 Build Thread 
 
Post #180409816th Apr 2017 12:04 pm
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