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DISCO3.CO.UK > Maintenance & Mods (D4)

Should I blank EGR valves? (MY 07)
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4
Should I blank EGR valves? (MY 07)

Had the following fault codes for the last couple of weeks :
P0489 Exhaust gas recirculation control circuit low
P0196 Engine oil temp sensor circuit range \ performance

Very occasional loss of power for a few seconds usually when cold.
No engine management lights on dash.
No noticeable increase in fuel consumption.

Presume one or both egr valves are on their way out - I propose blanking in the next couple of days (MY 07 so blanking may not be the end of the problem).

Anyone got any other ideas or suggestions?

Thanks in advance Thumbs Up  
Post #12135387th Jan 2014 7:15 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

change your oil temp sensor first that can cause all sorts of problems Thumbs Up  
Post #12135437th Jan 2014 7:19 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Thanks Geoff. Thumbs Up Just had oil changed before Christmas - can it be done without swapping all the oil again?  
Post #12135467th Jan 2014 7:22 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

the sensor sits low down in the sump pan but if your quick you can catch what you lose and top it back up Thumbs Up  
Post #12135487th Jan 2014 7:27 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Will have a go or find someone else to have a go Whistle

Should I forget the EGR issue until the oil sensor is changed?  
Post #12135617th Jan 2014 7:40 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

yes change the sensor first Thumbs Up  
Post #12135647th Jan 2014 7:43 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Thanks Geoff. Thumbs Up
Gearbox still smooth after recent flush Bow down Preventitive maintenance rules!!  
Post #12135687th Jan 2014 7:46 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20858

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

When my oil temp sensor was faulty, it behaved like this: http://s8.photobucket.com/user/Discomike17...f.mp4.html

Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #12135737th Jan 2014 7:50 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Mines not doing anything out of the ordinary Question Think I'll change it - presume its not prohibitively expensive.  
Post #12135977th Jan 2014 8:07 pm
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Dave^
 


Member Since: 23 Jun 2013
Location: West Yorks
Posts: 706

Is the sensor on one side/front/rear of the sump?

Can you not angle the car so as to minimise loss of oil? flickr  
Post #12136467th Jan 2014 8:35 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Not 100% sure - think you jack up the near side Question  
Post #12136857th Jan 2014 8:54 pm
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Dave^
 


Member Since: 23 Jun 2013
Location: West Yorks
Posts: 706

You need a pair of meety (truck) ramps and get it right over....

Or this...

Click image to enlarge
 flickr  
Post #12137057th Jan 2014 9:13 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20858

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Dave^ wrote:
Is the sensor on one side/front/rear of the sump?

Can you not angle the car so as to minimise loss of oil?


Yes Thumbs Up

I changed mine when the oil was stone cold. Only lost a dribble of oil, not even enough to drip off the sump Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #12137157th Jan 2014 9:17 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Dave^ wrote:
You need a pair of meety (truck) ramps and get it right over....

Or this...

Click image to enlarge


Rolling with laughter Rolling with laughter
Think I'll try the ramps or a Censored big jack first!  
Post #12137297th Jan 2014 9:32 pm
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RBP
 


Member Since: 29 Aug 2012
Location: N Yorks
Posts: 1936

England 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Update on this : fitted new oil temp sensor as advised by Geoff Bow down

Car has been running normally since. Just checked codes & all clear now - egr codes disappeared! Does this sound right? Thought egr codes would remain.  
Post #125696722nd Mar 2014 11:40 am
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