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Fuel Gauge.. Mind of it's own
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xtc
 


Member Since: 27 Mar 2007
Location: Hampshire
Posts: 1072

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4
Fuel Gauge.. Mind of it's own

My fuel gauge has taken to doing its own thing. Sometimes drops to zero when driving along ( yes I know it does this anyway!!!!) for 5 mins or so and then back to where it was. Sometimes when filled to brim only shows 3/4 full and then wanders to full some time later. Sometimes wanders between 1/4 & 3/4 for no apparent reason. Also get a smell of fuel when I top right up.
This all seems to coincide with me getting rather stuck on a large rock during the Surrey lanes trip. Is there anything obvious underneath that may have got damaged or knocked off I can check before taking it to the stealers!
Thanks in hope!
Richard.

PS What a great machine in the snow!! Went from Portsmouth to Excel yesterday and back this afternoon... Just easy, safe crusin'. Could not be without it!
 Off Roading is OK.... But I'd rather be Boating!  
Post #5762607th Jan 2010 8:41 pm
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Bushwanderer
 


Member Since: 27 Nov 2007
Location: Northern Rivers, NSW, Australia
Posts: 2050

Australia 2005 Discovery 3 TDV6 S Manual Buckingham BlueDiscovery 3

Hi xtc,
Does your fuel tank protector plate have a dent in it? If so, you may have dislodged one of the fuel sender units. If this is the case, tank will need draining, dropping, and sender refitted (I believe the last bit can be a Censored of a job). Also remove dent in protector plate before refitting (some, such as AndrewS, have strengthened the plate).

Best Wishes,
Peter
 The Bearded Dragon  
Post #5765158th Jan 2010 4:06 am
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TazDaz
 


Member Since: 07 May 2007
Location: South East Essex
Posts: 2858

United Kingdom 

check the wiring under the wheel arch - I had the same fault it turned out the wiring from the senders to the gauge was chaffing on the chassis and worn through a bit causing intermittent short.
  
Post #5778209th Jan 2010 8:24 pm
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NeilD
 


Member Since: 01 Dec 2008
Location: Sunny Surrey
Posts: 4845

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Richard,

The rock was on the passenger side infront of the rear wheels - is the tank not the drivers side though?.

Does the digital range change as well?
 My Youtube Channel http://www.youtube.com/user/NeilDisco#p/u/5/Dz4-Q95GQ2c
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Post #5778429th Jan 2010 8:56 pm
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xtc
 


Member Since: 27 Mar 2007
Location: Hampshire
Posts: 1072

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4

Thanks Chaps!
Peter, I will take a look when the snow thaws! Thanks...

Good point Taz, did have some chaffing with my rear wheel sensor wiring. Would account for the intermittent bit!
Is that the nearside rear arch?

Digital range also up & down, would make a good video. I would imagine the readout is just a sum using the output from the analouge guage & flow meter. Pain in the Censored though.. Am using the trip odemomometer thingy to make sure fuel left.. Filling up at 250 miles to play safe Crying or Very sad
 Off Roading is OK.... But I'd rather be Boating!  
Post #5778619th Jan 2010 9:09 pm
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fat bloke
 


Member Since: 07 Aug 2006
Location: OXFORD
Posts: 1243

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Auto Santorini BlackDiscovery 4

Snap mines doing it now for the second time so visit to dealer to sort again.
  
Post #57824910th Jan 2010 2:29 pm
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Bushwanderer
 


Member Since: 27 Nov 2007
Location: Northern Rivers, NSW, Australia
Posts: 2050

Australia 2005 Discovery 3 TDV6 S Manual Buckingham BlueDiscovery 3

Hi fat bloke,
What did the dealer diagnose as the problem on your earlier visit?

Best Wishes,
Peter
 The Bearded Dragon  
Post #57877611th Jan 2010 4:59 am
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