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Discovery 3 MIL light
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Kendaws
 


Member Since: 31 May 2018
Location: Cleveleys
Posts: 3

United Kingdom 
Discovery 3 MIL light

Hi all

First time user of the site, and first time disco owner, looking for advice if possible, I have a 2008 discovery 3 TDV6se, the MIL light came on so I had the thing checked and it has come up with code PO 490, exhaust gas recirculation, control short to B+. Can anyone tell me what this means and how to get it fixed.
any advice would be welcome, thanks Thumbs Up
  
Post #194953731st May 2018 12:41 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Either google the code or search on here for egr faults, theres plenty to read.
As yours is a late model you have two options, either blank the egr valves and get the egr mapped out of the ecu or replace the egr valve/s and wait for them to fail again!
  
Post #194954131st May 2018 1:10 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

It means one of the egrs on the side of the engine has a wire shorted to +

or it could mean there is a broken wire or the valve/motor broke inside.

Patch and blanks is a good way forward after brief inspension of wires to the side valves
  
Post #194959531st May 2018 5:07 pm
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Kendaws
 


Member Since: 31 May 2018
Location: Cleveleys
Posts: 3

United Kingdom 

Thanks for your replies guys, I check the EGR valves and wiring then post again if I find anything Thumbs Up
  
Post #19497871st Jun 2018 10:07 am
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