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Disco 3 Cold start
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Chrisy g
 


Member Since: 04 May 2016
Location: Gwent ,wales
Posts: 14

United Kingdom 2005 Discovery 3 TDV6 SE Manual Stornoway GreyDiscovery 3
Disco 3 Cold start

I have a discovery three and coming up to the winter I seem to have starting issues I have watched this onto YouTube and it seems to work every I have bought heater plugs But every garage is saying it’s a pig of a job . So this got me thinking If pouring in boiling water on the sensor Works Could this be Sensor up problems Rather than heater Plugs ??
 

Last edited by Chrisy g on 26th Oct 2018 7:52 pm. Edited 1 time in total 
Post #199523726th Oct 2018 7:18 pm
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kajtzu
 


Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6538

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

I would not pour boiling water anywhere, on a vehicle, in the winter.. Whistle
  
Post #199523926th Oct 2018 7:34 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

Im sure there was a post last year and the guy simulated this very fix by putting a resistor or something via a switch into the temp sensor wiring, loads of poo ppoing from the estabilished members, which all went very quiet when it was shown to work, like your video Thumbs Up
  
Post #199525026th Oct 2018 8:54 pm
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Erea
 


Member Since: 19 Mar 2012
Location: Munster
Posts: 1509

Ireland 2006 Discovery 3 TDV6 Commercial Manual Zambezi SilverDiscovery 3

I used a hairdryer to heat that sensor up and started straight away. I was wondering about changing it for a new one to see would it help.
  
Post #199526426th Oct 2018 9:43 pm
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Chrisy g
 


Member Since: 04 May 2016
Location: Gwent ,wales
Posts: 14

United Kingdom 2005 Discovery 3 TDV6 SE Manual Stornoway GreyDiscovery 3

I was thinking the same. was hoping . somebody on here has done it ?? And can confirm it works
  
Post #199527226th Oct 2018 10:07 pm
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Randylover
 


Member Since: 31 Jan 2011
Location: Staffordshire
Posts: 1172

United Kingdom 2005 Discovery 3 TDV6 S Manual Zermatt SilverDiscovery 3

Last winter I used hot tap water not boiling on the sensor and it never failed
Going to try and change the glow plugs this year

Andy
 05 TDV6,"S" in all colourcoded Zermatt silver,7 seats winter pack HK 6cd stereo,Dual climate,Xenons,

Mods:
Re-Con Engine,De-Tango,Reverse camera,Fog/DRl lights,Aux Battery, perm Aux socket in boot,LED Volt meters in roof panel,Built in tom tom, Strobes fitted in grille, Aux switches for trailer lights fitted in roof panel,Roof Rails,Grille conversion 
 
Post #199527426th Oct 2018 10:14 pm
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Skagg
 


Member Since: 15 May 2015
Location: Not where i'd like to be
Posts: 1023

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

I replaced that senor on Moneypit last winter in the hope it was a cheap fix to my cold start problems. It made no difference to cold starts for me.

I've just had 5 of the 6 plugs replaced, thankfully with no drama & now she starts on the button every time.

Robbies guide is a fantastic insight into the world of glow plugs & enabled me to confirm they were brown bread & the root cause of my problems with some additional help from members here.

Well worth a read

https://www.disco3.co.uk/forum/robbies-gui...glow+plugs

Cheers n Gone Nick Thumbs Up
 MY16 D4 Landmark SDV6 (The Ice Maiden)
Uncle Ray's spare wheel protector
MY08 D3 HSE Stornoway (Miss Moneypit) The money tree withered...... 
 
Post #199535327th Oct 2018 10:04 am
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Parky63
 


Member Since: 10 Apr 2017
Location: Hampshire
Posts: 399

England 2006 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

There's no need to replace the sensor as it's working perfectly. The theory is that by pouring hot water/heating with hairdryer the sensor doesn't think the engine is cold and therefore uses a different injector sequence/cycle and that gets the engine going.
Like Skagg, I've just had the glow plugs replaced (they only got 4 out on mine and they all broke and had to be drilled out Big Cry ) so I'm waiting for some cold weather to see if the substantial outlay has been worthwhile.
If you haven't read Robbie's guide, do so. Modern glow plugs and common rail diesels are so much different to their older cousins.

David
 2006 D3 HSE Buckingham Blue
Silicone Intercooler Pipe
MAP Sensor cleaned
N/S Drain Tube Elbow 
 
Post #199539027th Oct 2018 12:00 pm
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