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DEF fill question
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RDR
 


Member Since: 24 Mar 2013
Location: Derbyshire
Posts: 2260

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4
DEF fill question

So my D4 has been telling me to fill the DEF up for some time and I had an Amber engine management light on all the time. It wasn't counting down the miles but said i had 714 miles left in range. Someone had given me a redex 1.5L topup bottle they bought by mistake so I popped that in and the range stayed the same. I then bought another 10 Litres and poured that in and the range stayed the same too. It took 4 miles of driving and a turn off and on to get the Engine light to extinguish and range to account for the added fluid.

Not to bothered really but it did get me thinking, what happens if you have run dry and the engine won't start would it eventually have recognised the DEF just sat stationary with no engine start?

R
 MY06 S - Gone but not forgotten
MY12 HSE - Gone
MY16 HSE Luxury - Sold
MY20 D5 HSE - Sold
Current RR L460 PHEV 
 
Post #164831430th Apr 2016 10:34 am
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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 doubt it would ever go into a no start situation.

What happens on the trucks is you get a message on the dash saying low fluid, dont top it up and let it run out this then puts a fault into the engine ecu this triggers the warning lamp you then get 40 hrs driving time then the engine drops into derate, still revs but has very little go.
Same happens if you get an exhaust warning, ie 40 hrs run time then derate.

Just about every garage in the UK now stocks adblue.
  
Post #164843830th Apr 2016 4:21 pm
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RDR
 


Member Since: 24 Mar 2013
Location: Derbyshire
Posts: 2260

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Thanks, I think on the Disco it gets to the stage where the engine will not start. I'm not near the manual at the moment but seem to recall it. Addblue everywhere like you say so not ever gonna get to the situation and it takes same time to fill as the washer bottle. Was more idle thinking as it took so long to get it to register the topup.
 MY06 S - Gone but not forgotten
MY12 HSE - Gone
MY16 HSE Luxury - Sold
MY20 D5 HSE - Sold
Current RR L460 PHEV 
 
Post #164844530th Apr 2016 4:31 pm
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GoldCJ7
 


Member Since: 07 Jul 2015
Location: Neath
Posts: 46

Wales 2016 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Just had top up my DEF today, after 12,000 miles, dealer said it would last between services but this isn't the case, 4l is on offer at Halfrauds for 15 quid with the right adapter
  
Post #165403612th May 2016 8:48 pm
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kirkyworld
 


Member Since: 01 Mar 2016
Location: Northampton
Posts: 566

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4

You can buy 20 litres for £19.79 delivered. Cheap as chips. I would never buy anything in halfords.

http://www.ebay.co.uk/itm/20Ltr-Adblue-Fre...SwfZ1Wa0eZ
  
Post #165407812th May 2016 9:59 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

Actually if you have a trade card you can get some decent prices/deals in there.

At the Daf truck dealer I used to work at adblue was 50p litre.
  
Post #165411313th May 2016 2:33 am
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RDR
 


Member Since: 24 Mar 2013
Location: Derbyshire
Posts: 2260

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Bought 10 litres for £19.99 at Esso services, they have it on tap at the truck pumps anyone tried that?

The redex 1.5l had a screw fit that attached but the 10L was just a pipe which worked fine just glugged a lot and had potential to splash back if your not looking what your doing.
 MY06 S - Gone but not forgotten
MY12 HSE - Gone
MY16 HSE Luxury - Sold
MY20 D5 HSE - Sold
Current RR L460 PHEV 
 
Post #165438413th May 2016 7:31 pm
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