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White smoke from tailpipes
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gregoryp82
 


Member Since: 28 Apr 2013
Location: Kwa_Zulu Natal
Posts: 19

South Africa 2009 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3
White smoke from tailpipes

Hi,

I have searched quite a bit, but not seemed to find the exact same symptoms.

I have an 09' D3 TDV6 which is smoking mainly when idling but (from what I can see) also a bit when driving. There is no loss of power it would seem, all pipework has been replaced, would injectors be the first place to start? Also had to replace a piston due to a valve seat dropping, not sure if that contributes anything?

Please could I ask for some advice?

Thanks a million in advance
  
Post #131434422nd Jul 2014 5:57 am
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Parallax33
 


Member Since: 03 Jun 2014
Location: Christchurch
Posts: 1125

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Normally related to water in the fueling system.

Have you checked the oil for white deposits, could indicate main engine gasket failures?

Shocked
 Justin

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Last edited by Parallax33 on 22nd Jul 2014 7:59 am. Edited 1 time in total 
Post #131436922nd Jul 2014 7:04 am
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DG
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Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50978

Wales 

When does it do it? If you start it in the morning and leave it idling then it can be condensation in the exhaust ...usually goes away after a mile or so.
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #131437622nd Jul 2014 7:20 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Clearly your engine has had major surgery in the past so the white smoke could be a number of things.

Have you monitored the coolant level?
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
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Post #131438222nd Jul 2014 7:38 am
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gregoryp82
 


Member Since: 28 Apr 2013
Location: Kwa_Zulu Natal
Posts: 19

South Africa 2009 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

I haven't actually even looked at coolant, what would low coolant mean
  
Post #131442722nd Jul 2014 9:13 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Coolant could be leaking into the head via a blown gasket as already suggested. It can also leak via the EGR coolers directly into the exhaust.
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #131443522nd Jul 2014 9:51 am
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gregoryp82
 


Member Since: 28 Apr 2013
Location: Kwa_Zulu Natal
Posts: 19

South Africa 2009 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

so, it turns out that 3 (all on thr one side) of my injectors are either at min or max trim limit p02A2 and also getting P121A fault codes. from what I can gather from other posts this suggests I replace the 3 injectors, as I have replaced 3 on the opposite side already?

thanks for all the replies
  
Post #131484423rd Jul 2014 4:30 am
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