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DISCO3.CO.UK > Technical (D3)

smoke on acceleration

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IanMellor

Member Since: 22 Aug 2013
Location: Dublin
Posts: 145

2005 Discovery 3 TDV6 HSE Auto Adriatic Blue

smoke on acceleration

Hi all, I've recently noticed some black smoke on full acceleration does anyone know what could cause this. The engine is a 2.7 and 185K miles. Thanks

5th Jul 2015 9:55 am

tayaste

Member Since: 15 May 2013
Location: Chester
Posts: 7633

2008 Discovery 3 TDV6 HSE Auto Stornoway Grey

Intercooler hose

5th Jul 2015 9:56 am

tayaste

Member Since: 15 May 2013
Location: Chester
Posts: 7633

Here's mine when it split

Click image to enlarge

5th Jul 2015 9:58 am

xcentric

Member Since: 01 Apr 2015
Location: Shropshire, UK
Posts: 1081

2012 Discovery 4 3.0 SDV6 HSE Auto Baltic Blue

not a LR expert, but on other diesels black smoke on acceleration can be either injector issues or sometimes excess carbon being burned off. Excess is caused by short runs at lower temps - solution is a few longer trips and some hard acceleration (Italian tune-up) - can work.....

but I'd take the expert's advice, and check the hoses first at least.....

5th Jul 2015 10:42 am

ajps72

Member Since: 01 Sep 2013
Location: Lima, Peru
Posts: 23

2013 Discovery 4 3.0 TDV6 Base 7 Seat Auto Barolo Black

tayaste wrote:
Intercooler hose

WouldnÂ´t a cut intercooler hose cause also a delay in acceleration??

I would put some injector cleaning for a couple of tanks

5th Jul 2015 4:35 pm

LauraLaura

Member Since: 05 Jul 2015
Location: Blackadder West
Posts: 4

2006 Discovery 3 TDV6 Metropolis LE Auto Barolo Black

I've just had my turbo hose replaced after the same problem - loss of performance and black smoke, and all better now.

Not that expensive either thankfully

5th Jul 2015 8:45 pm

Tanglewood

Member Since: 27 Feb 2011
Location: Wilts
Posts: 1376

Have a look at your intercooler too. Not unknown for minor cracks to cause hear symptoms.

5th Jul 2015 9:13 pm

IanMellor

Member Since: 22 Aug 2013
Location: Dublin
Posts: 145

Thanks all for advice I'll give it a check

5th Jul 2015 11:36 pm

Jamest

Member Since: 12 May 2013
Location: Wales
Posts: 125

2006 Discovery 3 TDV6 SE Manual Buckingham Blue

Or as mentioned above a broken intercooler. The oil weep is a tell tale sign

Have taken mine apart to fit new intercooler. You can see the broken area on the original smaller cooler

6th Jul 2015 6:02 am

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