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Fuel gauge problem
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Omani
 


Member Since: 27 Mar 2019
Location: Belgium
Posts: 3

Fuel gauge problem

Hello,

we've got a problem with a LR Discovery 4 from 2011 Diesel
The instrument cluster indicates a empty gas tank, but it's really full. We've checked the wiring from the gas tank to the inside of the car, seems ok. Inside the gastank there are no faulty wire's, the resistent between ground and passive or active are about 0,8 K Ohm. But when put everything together, between ground and passive or active fuel sender there is no actual voltage, just 0,002 Volts.


We think ther should be a 5 volt from the body control unit, or doesn't it? Got anyone a clue for us?

With kind regards,

David
  
Post #204090427th Mar 2019 7:41 pm
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Fitzy73
 


Member Since: 09 Feb 2014
Location: Truro
Posts: 2407

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Causeway GreyDiscovery 4

Hello David and welcome.

Hopefully someone more technical will be along shortly, but when you say it is reading empty, has the fuel level completely disappeared?

If so, when that happened to mine, it was the sender in tank which needed replacing.

You should also be aware that my garage couldn’t fit me in for a few weeks and after driving about 400 miles or so with the fault, the car would cut the engine as it thought it was running low on fuel. It even cut out before I could pull away from the fuel pump having just filled the tank, so don’t leave getting it fixed!
 Andy

 
 
Post #204096027th Mar 2019 9:20 pm
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Omani
 


Member Since: 27 Mar 2019
Location: Belgium
Posts: 3


Tank light is on, range is 0 km and car is already Missing power
  
Post #204096827th Mar 2019 9:52 pm
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Fitzy73
 


Member Since: 09 Feb 2014
Location: Truro
Posts: 2407

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Causeway GreyDiscovery 4

It does sound the same, i have just had a search and it is actually to do with the wiring going into the tank.

Hopefully this will help.

https://disco3.co.uk/gallery/albums/userpi...0566v6.doc
 Andy

 
 
Post #204101528th Mar 2019 6:16 am
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Omani
 


Member Since: 27 Mar 2019
Location: Belgium
Posts: 3


thx mate,

i will drope the tank and look at the connections

greatings David
  
Post #204105528th Mar 2019 8:37 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6224

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Its a known fault with the connections in the tank, there is a recal for it. from memory there are three connectors that need changing inside the tank.

Do a search on the board its been covered many times.

Flack Thumbs Up
  
Post #204105728th Mar 2019 8:41 am
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sasdiscos
 


Member Since: 22 Feb 2013
Location: Northants
Posts: 885

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Bali BlueDiscovery 4

https://www.disco3.co.uk/forum/discovery-4...78913.html
 You remind me of a younger me, not much younger mind...perhaps even a little older!  
Post #204113028th Mar 2019 12:53 pm
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