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Thank God for IIDTools!
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green750one
 


Member Since: 05 Apr 2015
Location: Epsom
Posts: 49

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Baltic BlueDiscovery 4
Thank God for IIDTools!

My MY10 LR4 developed a issue where the fuel gauge shows empty and I get low fuel messages despite having a full tank.
My garage said it was a fuel sender issue which would need replacing, but as it had been mainly working with only the occasional missing fuel level I'd been waiting for it to become more permanent before getting it sorted - given it's a "drop the tank" operation so 4 or 5 hours of labour (on top of just having had the suspension compressor replaced).
Incidentally, my IID shows no faults relating to fuel
My garage also told me that at some point the engine management system might decide the car had run out of fuel and decide to shut down, but that I probably had a couple of thousand miles before that might happen.
It was then, with some trepidation that I set out for Edinburgh (from Surrey) 2 weeks ago on an unplanned trip for a family bereavement. And as luck would have it as we set off the fuel gauge decided to stop working. With a careful eye on the mileage and premptive fuel stops, we got to Scotland OK without a problem, although I was expecting the car to stop all the time.
On the way back yesterday, just before the M6/M62 junction, the inevitable happened. The engine started juddering like it was running out of fuel (although I had half a tank) and finally died. I managed to restart but after just a few yards it would die again.
Having pulled over, hazards on and family safely behind the barrier, I stuck the IIDTool in and yep, 3 fuel related faults were showing.
OK I thought, perhaps I can clear them, but there was one that just wouldn't clear and the car wasn't going anywhere. And all this with mother-in-law, wife and 3 year old standing just off the hard shoulder in the rain, and no (foolishly) breakdown cover!
Then I had a brainwave - if the engine management system has been counting miles since the fuel sender packed up maybe I could do a vehicle reset and it would clear the count allowing me to get home. So again with a quick prayer I ran the routine and everything cleared. The engine restarted, and we were able to get the remaining 220 odd miles home without further incident!

Bizarrely, the fuel gauge behaved impeccably the whole way, even with 3 further stops for coffee and diesel. I would have thought that if there was a fuel sender fault it would still be there despite the hard reboot?
Anyway IIDTool saved the day - well worth every penny! and now I will get the car booked in for a permanent fix.
 http://www.disco3.co.uk/gallery/albums/use...100x28.gif  
Post #184820017th Aug 2017 10:48 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6252

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

No its a common fault on the D4's I have done a few of them, its pathetic really what you have to change in the tank to fix it, again LR using sub standard parts.

Flack Thumbs Up
  
Post #184820217th Aug 2017 10:59 am
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dgardel
 


Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025

Italy 2014 Discovery 4 3.0 SDV6 XXV LE Auto Santorini BlackDiscovery 4

There are some bulletins on that

LTB00304
http://www.disco3.co.uk/gallery/albums/use...ness~0.pdf

And sorry for the italian...


LTB00566
http://www.disco3.co.uk/gallery/albums/use...0566v6.doc
 Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition

IID Pro MV License

 


Last edited by dgardel on 17th Aug 2017 1:45 pm. Edited 2 times in total 
Post #184822917th Aug 2017 12:53 pm
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 920

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

Mine has been doing this intermittently so I have it booked in and warranty direct informed. Bit worried they wont cover it as there are no fault codes logged with the failure.
  
Post #184823217th Aug 2017 12:59 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72869

Ukraine 

If it does anything to dash readout (needle down then up on restart) take a vid, gives evidence that it's playing up. Thumbs Up
   
Post #184823317th Aug 2017 1:02 pm
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 920

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

Good idea Del - will try to do that if it happens again before going in. Which of course...it wont!
  
Post #184823617th Aug 2017 1:03 pm
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green750one
 


Member Since: 05 Apr 2015
Location: Epsom
Posts: 49

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

My wife just informed me that this morning after 11 hours parked up, there's no fuel gauge. So off to the garage it is.
 http://www.disco3.co.uk/gallery/albums/use...100x28.gif  
Post #184823717th Aug 2017 1:12 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

The sender going wrong is not the end of the world, but whoever decided to use the sender info to tell the engine to shut itself down needs probing!
Surely if the car can see fuel pressure it knows its getting fuel so should keep running?
  
Post #184827717th Aug 2017 5:06 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72869

Ukraine 

Just one of many "what were they thinking" design decisions. Thumbs Up
   
Post #184827817th Aug 2017 5:07 pm
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PatGAPInnov
Site Sponsor 


Member Since: 02 Dec 2011
Location: Montreal
Posts: 745

Canada 2006 LR3 4.4 V8 HSE Auto Bonatti GreyLR3

Glad it saved the day Thumbs Up

Good to know that the vehicle reset will temporally cure it, noted!
 http://www.gap-diagnostic.com/
 
 
Post #184828017th Aug 2017 5:16 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

The vehicle reset routine (as a discreet function) is massively helpful and something I use frequently during diagnostics. I'm really rather glad of its inclusion!
 Land Rover - Turning Drivers into Mechanics Since 1948

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Post #184828317th Aug 2017 5:24 pm
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manichauhan
 


Member Since: 24 Oct 2010
Location: London
Posts: 56

2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

Hello,

I have a similar issue where the fuel gauge has been inoperable for a while. My car is now stalling due to the issue and cannot be driven without the stop/start routine.

I have an IID tool with bluetooth (ELMINO), but want to reset the car, but not quite sure how to do it. Do I have to download a specific app or program ?

I would be most grateful for any advice anyone can give.

Many thanks,
  
Post #23658344th Apr 2024 2:22 pm
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MrTed
 


Member Since: 06 Jan 2023
Location: Rickmansworth
Posts: 125

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

Blimey! This reminds me of the time my MY10 Jag XF kept saying it was empty (all of a sudden) and go into restricted mode. The fix, as you can see here was to gain access to the top of the diesel tank under the rear seat, rotate the clamp-off, then access the sensors loom in the tank, unclip the connector & use a mini file to rub the contacts in the connector & reassemble. (This was an JLR engineers fix I found on the Jag forums) That worked 100% until I PX'd the Jag with my Disco 4 a year later. Fingers chuffing-crossed this wont happen on my D4!

Click image to enlarge
 Discovery 4 HSE late 2015 Euro6
Jaguar XF Portfolio (PX'd for above)
Mitsubishi Galant V6 (PX'd for above)
Instagram: @mrtedgfx 
 
Post #23658374th Apr 2024 2:45 pm
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manichauhan
 


Member Since: 24 Oct 2010
Location: London
Posts: 56

2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

Click image to enlarge

I wish the top of the fuel tank and the sensors was that easily accessible on the D4!

I now need to get the car to a local garage and am hoping to reset the (1000) miles counter so I can drive it there safely. I require guidance on how to do the vehicle reset using the IID tool. I attach a picture of the tool I have.
  
Post #23658464th Apr 2024 3:26 pm
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Tyty
 


Member Since: 18 Aug 2022
Location: South West
Posts: 61

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

That's not a GAP IID tool, that looks like a cheap ELM327 dongle - completely different hardware i'd imagine - certainly never going to work with GAP's software.

Google gap diagnostics for their tool and software.
   
Post #23658524th Apr 2024 4:57 pm
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