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Slow starting disco 3 (not just cold weather)
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Geohobi
 


Member Since: 03 May 2017
Location: bedfordshire
Posts: 15

England 2005 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3
Slow starting disco 3 (not just cold weather)

Hi all.

I've posted on here before about slow starting on my disco 3 and most have said glow plugs. I've spoke with a few land rover engineers that haven't had the car when cold and have just said glow plugs.

I know the cars are renowned for poor starting due to plugs but I just have a gut feeling it's not the plugs.

There is a company near me that will charge £900 to replace all 6 plugs. This is guaranteed whether it takes 2 hours or 20 hours and even if all 6 need drilling out but I don't want to jump at this as part of me thinks this may not be the issue.

I've had the check and apparently 3 of the 6 aren't working but I get some days it starts ok then I get 10.days or so it takes a while to start.

Below is a link to the YouTube video showing the slow start.



I'm hoping someone can give me an idea of what my issues could be if it's not the glow plugs.

Thanks in advance.

Dan
 

Last edited by Geohobi on 17th Jul 2018 9:15 pm. Edited 1 time in total 
Post #196465117th Jul 2018 8:58 pm
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4

Disco 5? (Title)
 Si

2016 Disco 4 SE Tech
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Post #196465717th Jul 2018 9:11 pm
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Geohobi
 


Member Since: 03 May 2017
Location: bedfordshire
Posts: 15

England 2005 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

Sorry typo. Corrected

Dan
  
Post #196465917th Jul 2018 9:16 pm
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Skagg
 


Member Since: 15 May 2015
Location: Not where i'd like to be
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United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

Hi Geohobi,

I can't help with diagnosis of your poor starting, but i can tell you that my D3 which doesn't have a single glow plug that works starts fine in the current UK climate. It take a little longer to fire below 10Deg & struggles below freezing.

So i'd suggest the underlying problem is elsewhere & only have 3 of 6 plugs in service isn't helping

Hope you find the problem

Cheers Nick Thumbs Up
 MY16 D4 Landmark SDV6 (The Ice Maiden)
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Post #196466217th Jul 2018 9:20 pm
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PROFSR G
 


Member Since: 06 Mar 2017
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Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Hi Geohobi,

The possible issues which might be affecting your poor start are numerous to say the least. I would agree with Skagg and your own instincts that this is not glow plug related. Realistically, you need to have the codes read which should eliminate a large portion of the possibilities, or at least whittle it down if not actually nail it!
  
Post #196470218th Jul 2018 12:59 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
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United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Picking ur brains plse guys if i may out of curiosity

Could something like a blocked / dirty fuel filter ever cause slow starting and with the pressure fuel test point at the back of the engine can that be used to verify if a filter is restricted plse

Or as it actually starts it can’t be a fuel issue

Hope u don’t mind me asking , I just always find it interesting learning Whistle

Thks guys Thumbs Up
   
Post #196470318th Jul 2018 2:24 am
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Henda
 


Member Since: 05 May 2016
Location: Gateshead
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United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Manual Siberian SilverDiscovery 3

Mine had the same problem but it was intermittent ended up it was the lpfp only realised this in hindsight there's a post on here showing you how to check the pressure
Worth a look Thumbs Up
 All transmission oil replaced
3 flash indicators
All timing belts changed
EPB serviced
De cat fitted
Wind deflectors
De-tango done
Tints fitted
Egr blanked 
 
Post #196473218th Jul 2018 7:46 am
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DSL
Keeper of the wheelie bin 


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

What are the injector balance values? That’ll show the injectors condition. I had similar starting, even in warm conditions, and was sorted when a set of low miles used injectors was fitted.

With old injectors



With replaced injectors

   
Post #196473718th Jul 2018 7:56 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4580

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

gstuart wrote:
Picking ur brains plse guys if i may out of curiosity

Could something like a blocked / dirty fuel filter ever cause slow starting and with the pressure fuel test point at the back of the engine can that be used to verify if a filter is restricted plse

Or as it actually starts it can’t be a fuel issue

Hope u don’t mind me asking , I just always find it interesting learning Whistle

Thks guys Thumbs Up


The short answer is yes it could be, plus everything Henda, DSL, has suggested and a whole lot more besides!

You will drive yourself nuts playing the guessing game! Sometimes you can get lucky, or you can waste a lot of time trying. Best practice is to have the codes read, and you will find the response on here pretty rapid and accurate if not bang on!
  
Post #196477218th Jul 2018 11:09 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
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England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

It isn’t just the injector values it is also the spray pattern of the injectors, the value is how much is being injected into each cylinder, but it’s no good if it’s like a water pistol and not a fine fan shaped spray. Thumbs Up
 It can when others can't,
It will when others won't,
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Post #196479618th Jul 2018 12:23 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

PROFSR G wrote:
gstuart wrote:
Picking ur brains plse guys if i may out of curiosity

Could something like a blocked / dirty fuel filter ever cause slow starting and with the pressure fuel test point at the back of the engine can that be used to verify if a filter is restricted plse

Or as it actually starts it can’t be a fuel issue

Hope u don’t mind me asking , I just always find it interesting learning Whistle

Thks guys Thumbs Up


The short answer is yes it could be, plus everything Henda, DSL, has suggested and a whole lot more besides!

You will drive yourself nuts playing the guessing game! Sometimes you can get lucky, or you can waste a lot of time trying. Best practice is to have the codes read, and you will find the response on here pretty rapid and accurate if not bang on!


Thks and indeed understand what ur saying ref guessing game , learnt that ages ago when I tried to find an airbag fault without a code reader, yeh i know Laughing

Got an iid and now wouldn’t be without one

Understand now with these how valuable getting codes read first can be and not ending up driving urself insane

Know this forum and it’s members have been invaluable Thumbs Up
   
Post #196488818th Jul 2018 4:46 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
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England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

I would go for the injectors.

Flack Thumbs Up
  
Post #196489618th Jul 2018 5:02 pm
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hugeviking
 


Member Since: 08 Jun 2010
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United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Mine takes about 3 seconds to start, but only the first start in the morning, it starts pretty much straight away after that, even if left for a few hours, almost as if their is a slight leak somewhere letting in air/ or fuel draining back to the tank ?

Andi.
  
Post #196496118th Jul 2018 7:34 pm
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ruben
D3 Decade 


Member Since: 26 Sep 2006
Location: ASTURIAS
Posts: 2378

2006 Discovery 3 TDV6 SE Manual Tonga GreenDiscovery 3

agree! injectors will be!!
 lost in translation!  
Post #196497318th Jul 2018 8:03 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4580

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

gstuart wrote:
PROFSR G wrote:
gstuart wrote:
Picking ur brains plse guys if i may out of curiosity

Could something like a blocked / dirty fuel filter ever cause slow starting and with the pressure fuel test point at the back of the engine can that be used to verify if a filter is restricted plse

Or as it actually starts it can’t be a fuel issue

Hope u don’t mind me asking , I just always find it interesting learning Whistle

Thks guys Thumbs Up


The short answer is yes it could be, plus everything Henda, DSL, has suggested and a whole lot more besides!

You will drive yourself nuts playing the guessing game! Sometimes you can get lucky, or you can waste a lot of time trying. Best practice is to have the codes read, and you will find the response on here pretty rapid and accurate if not bang on!


Thks and indeed understand what ur saying ref guessing game , learnt that ages ago when I tried to find an airbag fault without a code reader, yeh i know Laughing

Got an iid and now wouldn’t be without one

Understand now with these how valuable getting codes read first can be and not ending up driving urself insane

Know this forum and it’s members have been invaluable Thumbs Up


Sorry GS,

I'm just realising now that I was actually responding to you when I thought I was responding to Geohobi.
Rolling with laughter Rolling with laughter (Note to self) Must pay attention in class!! Embarassed Embarassed Apologies again
  
Post #196500018th Jul 2018 8:48 pm
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