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Faulty EGR Valves on my D3
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mikelondon79
 


Member Since: 28 Jul 2020
Location: London
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
EGR valves need replacing?

Please: my (independent) dealer tells me that the diagnostics show that the EGR valves need replacing and that it is dangerous not to do so as the motor might cut out at any time. I have not noticed any loss in power although the car has not been used too much recently for obvious reasons...

Please could anyone help advise what I shouold do? Thanks.
  
Post #216406028th Jul 2020 12:31 pm
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G3Z
 


Member Since: 16 Dec 2018
Location: South Wales
Posts: 543

Wales 2007 Discovery 3 TDV6 GS Manual Zambezi SilverDiscovery 3

Just blank them and drive it. It’s a cheap £15 job.
 Defender 110 2.4 TDCi Utility Station Wagon.

2007 Disco 3 GS TDV6 Manual
200,000+ mile club 😎 
 
Post #216406628th Jul 2020 12:53 pm
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mikelondon79
 


Member Since: 28 Jul 2020
Location: London
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thanks, G3Z. What exactly do the valves do please? Thanks.
  
Post #216408328th Jul 2020 1:24 pm
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G3Z
 


Member Since: 16 Dec 2018
Location: South Wales
Posts: 543

Wales 2007 Discovery 3 TDV6 GS Manual Zambezi SilverDiscovery 3

They open and close to allow recirculating of gasses to keep the emissions down.
 Defender 110 2.4 TDCi Utility Station Wagon.

2007 Disco 3 GS TDV6 Manual
200,000+ mile club 😎 
 
Post #216408428th Jul 2020 1:27 pm
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mikelondon79
 


Member Since: 28 Jul 2020
Location: London
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thanks so much. So is it right that they could cause the motor to cut out if they fail? Thanks.
  
Post #216410528th Jul 2020 2:36 pm
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G3Z
 


Member Since: 16 Dec 2018
Location: South Wales
Posts: 543

Wales 2007 Discovery 3 TDV6 GS Manual Zambezi SilverDiscovery 3

No -id guess the garage is just pressuring you into work being done. The worse that should happen is your vehicle will feel sluggish.
 Defender 110 2.4 TDCi Utility Station Wagon.

2007 Disco 3 GS TDV6 Manual
200,000+ mile club 😎 
 
Post #216410928th Jul 2020 3:00 pm
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darrind
 


Member Since: 04 Jul 2008
Location: In A World of My Own!
Posts: 2863

England 2013 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

If an egr sticks open the car can actually catch fire - the hot exhaust gas goes straight back into the plastic cylinder head. This happened to me on my 2009 HSE D3

Fortunately caught it before the fire got a hold and received a payout for fire from the Insurance
 Must stop buying shiny toys....  
Post #216418428th Jul 2020 7:49 pm
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G3Z
 


Member Since: 16 Dec 2018
Location: South Wales
Posts: 543

Wales 2007 Discovery 3 TDV6 GS Manual Zambezi SilverDiscovery 3

That’s why it’s best to blank them to stop any fumes even entering the EGR’s
 Defender 110 2.4 TDCi Utility Station Wagon.

2007 Disco 3 GS TDV6 Manual
200,000+ mile club 😎 
 
Post #216419228th Jul 2020 8:13 pm
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mikelondon79
 


Member Since: 28 Jul 2020
Location: London
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

If you blank them off, does it have any undesirable consequences? Does it screw up emissions on the mot? Thank you all for your help.
  
Post #216423428th Jul 2020 11:04 pm
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Regud
 


Member Since: 19 Aug 2020
Location: Saint Petersburg
Posts: 4

Russia 2006 LR3 TDV6 SE Auto Aintree GreenLR3

Muffle the valves. The heat exchanger is additionally removed from us. The program is being changed. Let Greenpeace think about the air. The car will go very quickly and there will be no mistakes.
  
Post #216863319th Aug 2020 12:41 pm
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mikelondon79
 


Member Since: 28 Jul 2020
Location: London
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

OK thank you.
  
Post #216867319th Aug 2020 5:17 pm
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nail7685435
 


Member Since: 19 Nov 2020
Location: kent
Posts: 1

United Kingdom 2006 Discovery 3 TDV6 GS Auto Unknown ColourDiscovery 3
egr cooler

hi i have a disco 3 2.7 v6 for about a week now and have a problem with the egr valves when the engine is cold very sluggish and wouldn't rev until the engine got hot so i got some egr cleaner and now after 30 seconds it runs fine but i have notice it is drinking a lot of coolant i have to top it up every day of about half / 1 little. just wondering if anyone can help with this problem? thanks
  
Post #218819019th Nov 2020 10:11 pm
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