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Jimmy B



Member Since: 11 Nov 2017
Location: Cumbria
Posts: 51
2011 Defender 110 Puma 2.4 USW Stornoway Grey
Puma 2.4 smoke on cold start
My 2010 2.4 puma has begun smoking quite a lot when starting from cold first thing. It lasts for about 30 seconds and is worse when the air temperature is colder. The smoke is thick greyish and there is sometimes a misfire as well. There are lots of threads with other people having the same problem but no real answers as too what is causing it. What do people think?
Post #707959 18th May 2018 8:12pm
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971
United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
A little bit of white smoke is normal, it's deliberately rich.
It's also richer than usual because the battery voltage is low so the injectors don't work as well. A weak battery will cause more white smoke.

Other things that cause excessive white smoke are the EGR system being dodgy and I believe that the VCV can cause issues like that too. Certainly misfires would come from there.
Post #707973 18th May 2018 8:58pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1570
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Glow plugs possibly they’re a sub standard quality in the tdcaye. Don’t buy the Berus they’re rubbish.
Post #707994 18th May 2018 11:12pm
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diduan



Member Since: 13 Oct 2016
Location: Central Balkan
Posts: 260
Bulgaria 
I had the same issue and it turned out that my engine is gone. It also used to burn lots of oil. Do you loose engine oil? Defender 110 SW MY2011 2.4tdci decat, no EGR
Jeep Wrangler YJ 1990 4.0. Front 78' Dana 60, Rear CUCV 14 bolt
Post #708013 19th May 2018 6:37am
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Jimmy B



Member Since: 11 Nov 2017
Location: Cumbria
Posts: 51
2011 Defender 110 Puma 2.4 USW Stornoway Grey
I am thinking of trying the vcv next. The egr is deleted with remap and also blanked off. The battery is in good condition. It’s had a new set of glow plugs as I found 2 had failed, they were Berus tho. It’s not using any oil or water.
Lots of people seem to have the same problem and say it’s normal for them to smoke on startup but it isn’t normal, mine never use to and I regularly use 2 pumas at work which are the same age but with 100 000 and 120 000 miles with absolutely no smoke or missfire
Post #708030 19th May 2018 9:26am
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Jonno



Member Since: 06 Mar 2012
Location: Yorkshire
Posts: 234
United Kingdom 2011 Defender 90 Puma 2.4 HT Santorini Black
They seem variable, but mine has blown clouds of white smoke on a properly cold start from day one in 2011.
Post #708175 20th May 2018 11:52am
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Jimmy B



Member Since: 11 Nov 2017
Location: Cumbria
Posts: 51
2011 Defender 110 Puma 2.4 USW Stornoway Grey
Jonno do you ever get a missfire/rough idle or just smoke?
Post #708180 20th May 2018 12:20pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3614
United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
Mine generally lives in a garage and i notice no smoke at all turning the key immediately without letting the glow plug light extinguish, if I park outside on a cold night and forget to do the glow plug light thing I get some smoke and a few seconds of rough running, if I let the glow plug light extinguish its fine. I would therefore suggest before you assume the worst the glow plugs would be worth checking. DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #708181 20th May 2018 12:23pm
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Jimmy B



Member Since: 11 Nov 2017
Location: Cumbria
Posts: 51
2011 Defender 110 Puma 2.4 USW Stornoway Grey
Glow plugs were my first thought and after stripping the intake manifold to get to them I found 2 had failed, so pleased with my finding I replaced all 4 and reassembled but the next morning it had made no difference 😩
Post #708182 20th May 2018 12:36pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1570
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Is the glow plug relay ok? I’ve replaced a few of them along with shorted glow plugs.
Post #708191 20th May 2018 3:08pm
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Jimmy B



Member Since: 11 Nov 2017
Location: Cumbria
Posts: 51
2011 Defender 110 Puma 2.4 USW Stornoway Grey
I’ve just put a volt meter on the glow plugs to check the supply and it’s only showing about 10v whereas the battery shows 12.3 is this normal?
Post #708210 20th May 2018 6:20pm
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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5765
France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
Mine never had smoke, now it’s exactly as you describe. Quite a list of checks to do, it seems, what does everyone think is the best order?

Note, fuel usage normal. Oil usage normal. MAF sensor fault, not yet rectified. Lots of oil sprayed in/around the MAP. Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #708215 20th May 2018 6:29pm
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AndreB



Member Since: 23 Jan 2021
Location: Brielle
Posts: 11
Netherlands 2010 Defender 90 Puma 2.4 HT Galway Green
I will follow, mine has just the same. White smoke on a cold start, no oil consumption or any other alarming signals. Engine runs smoothly. Had:
Defender 90 TD5 2001 - 225.000 km
Defender 110 TD5 - 2000 - 120.000
Have:
Defender 90 Puma 2.4 2010 - 211.000 km
Instagram: https://www.instagram.com/landrover_diary/
Post #926999 24th Oct 2021 8:43pm
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324
Kuwait 
Not sure why this thread didn't turn up in my search before I posted this:

https://www.defender2.net/forum/topic80900.html

In it you'll see I found a bit of corrosion around the lug and stud connection between the harness and the wire leading to the glow plugs. After cleaning it the resistance dropped from 11Ω to 1.4Ω. While 11Ω is still enough to trigger a continuity beep in a Fluke meter it can't hurt to have a look at this, maybe yours is worse?

If you have a DMM it's a simple as a resistance check between the stud and any of the glow plugs, I used sharp probes on freshly cleaned surfaces. Solved the bowel problem, working on the consonants...
Post #927137 25th Oct 2021 11:39pm
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