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DISCO3.CO.UK > Maintenance & Mods (D3)

Flickering oil warning light
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Lazza
 


Member Since: 13 Feb 2011
Location: Plymouth
Posts: 9

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Flickering oil warning light

Okay - have had a flickering oil warning light for over two weeks now and its driving me insain Big Cry . Replaced the oil pressure switch and it still flickers. Disconnected the cable to the switch and low and behold - it still flickers so at least I know its not an oil pressure issue! Twisted Evil Cable is intact leading to the switch but its obviously shorting somewhere along the loom. Does anyone have any idea as to where to look. Its my project for Saturday!.... Bow down Anyone who has never made a mistake has never tried anything new!  
Post #20066496th Dec 2018 8:42 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

I would not assume anything and certainly would not be driving it until I had a put a test gauge on the oil pressure switch port.
Dont forget a blown engine will financially write off just about all D3 and early D4.  
Post #20066566th Dec 2018 9:18 pm
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Lazza
 


Member Since: 13 Feb 2011
Location: Plymouth
Posts: 9

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Already performed oil pressure test - its perfect! - its defo an electrical fault Anyone who has never made a mistake has never tried anything new!  
Post #20066836th Dec 2018 10:28 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

could be knackered dash.

or as you say wires do rubb on metal work on the D3.

You could cut the wire at the dash end (enough to re join) and see if that stop it.

If it does, you could run a new wire in.  
Post #20066856th Dec 2018 10:31 pm
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Lazza
 


Member Since: 13 Feb 2011
Location: Plymouth
Posts: 9

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Yep - thought about that - but somewhere on the forum it was identified where to look for possible cable chafing.....somewhere close to the winscreen there is a connector which also connects the exterior air temerature but I cannot find the thread! Big Cry Anyone who has never made a mistake has never tried anything new!  
Post #20066886th Dec 2018 10:39 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

humm.

remove the battery and have a look at the wiring along the builkhead  
Post #20066916th Dec 2018 10:57 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Hi.

Did you find the cause ?  
Post #227860413th Feb 2022 11:28 am
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Lazza
 


Member Since: 13 Feb 2011
Location: Plymouth
Posts: 9

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Hi Pete

No - could not find the short anywhere although it was most definitly a short..... so cut into the loom behind the speedo and run a new cable all the way to the sensor switch - bit of a ball ache but solved the problem. Worked fine after that without a single problem. Have recently replaced the Disco with a...... Ranger (only for commercial tax reasons). Miss the disco but was begining to prove a little expensive as something went wrong after every long journey! Anyone who has never made a mistake has never tried anything new!  
Post #227862013th Feb 2022 12:36 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Water ingress into the drivers side A Pillar.

Covered under a TSB Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #227863313th Feb 2022 1:03 pm
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petestanley
 


Member Since: 22 Dec 2021
Location: Birmingham
Posts: 4

United Kingdom 2007 Discovery 3 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 3

I had this, replaced the sensor no more issues. Obviously checked pressure first.

Just adding an alternative seeing as finding issues can be really hard sometimes Thumbs Up  
Post #231271027th Oct 2022 2:50 pm
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