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DISCO4.COM > Maintenance & Mods (D3)

Black smoke on hard acceleration.
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discovery1953
 


Member Since: 07 Jan 2014
Location: Westbrook, Wilts.
Posts: 1165

England 2015 Discovery 4 3.0 SDV6 HSE Auto Kaikoura StoneDiscovery 4
Black smoke on hard acceleration.

If I put my foot down hard I get a plume of black smoke which quickly dissipates Big Cry

The power/acceleration is still there.

Any ideas please otherwise I will find out the hard way as it's in for an MOT tomorrow Shocked  
Post #205457320th May 2019 1:31 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6233

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Check your top turbo hose has not got a split in it, or the other two smaller ones on the passenger side of the engine.

Flack Thumbs Up  
Post #205457420th May 2019 1:33 pm
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Steamyrotter
 


Member Since: 03 Jul 2017
Location: Somewhere near Somewhere else in Somerset
Posts: 117

United Kingdom 

Nice Snake Smile


from experience possibly injector wear. Slight overfuelling leading to increased soot.
An injector cleaner may help if its only gunked up though.
Prob worth a try. If things were meant to be easy, then I will soon complicate them....
Please note...
Anything I say is only from my personal experience and knowledge..
I don't assume to know everything, and know there is a lot I don't know..
But then I could be talking Censored .. OSmile  
Post #205457520th May 2019 1:35 pm
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DiscoIrl
 


Member Since: 09 Aug 2018
Location: Kilkenny
Posts: 11

Ireland 2006 Discovery 3 TDV6 Commercial Auto Zambezi SilverDiscovery 3

+1 on the turbo pipe, check for cracks/splits. Common on the Disco 3.  
Post #205469820th May 2019 8:21 pm
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Rsneil
 


Member Since: 12 Aug 2017
Location: Derby
Posts: 30

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Yep check the turbo pipes and if you do find a split upgrade...  
Post #205476921st May 2019 1:42 am
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Blenky
 


Member Since: 20 Feb 2019
Location: Retford
Posts: 81

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

If you find no mechanical problem try some diesel cleaner when you fill the tank then when it's all run through replace the fuel filter. Mine had the same on hard acceleration. It's not perfect but much better now. I also did a full filter and fluid service.  
Post #205493521st May 2019 5:57 pm
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blue meanie
D3 Decade 


Member Since: 04 Aug 2005
Location: Newbury
Posts: 6861

United Kingdom 2006 Discovery 3 TDV6 SE Manual Cairns BlueDiscovery 3

Can I ask how did you get on with this? I have a similar issue and the finger has been pointed at the turbo itself due to P0299-00 Turbo/supercharger underboost code being present and no apparent splits in hoses or I/C .... and theeeeennn......???  
Post #205685529th May 2019 11:16 am
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