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TopQ1967



Member Since: 14 Feb 2012
Location: Veghel
Posts: 236
Netherlands 2012 Defender 130 Puma 2.2 HCPU Buckingham Blue
Engine temperature dropping significant at idle
Hi in heavy traffic or at stilstand the engine temperature is dropping to its lowest point.
Ambient temperature is around12 deg C

I fought I noticed haditations too.

What could be wrong?
Post #813956 6th Feb 2020 8:29pm
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Blue



Member Since: 13 Aug 2019
Location: UK
Posts: 45
2007 Defender 90 Puma 2.4 SW Cairns Blue
Could be your thermostat is stuck open, and the engine can't get up to usual operating temprature?
Post #814090 7th Feb 2020 8:47pm
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camelman



Member Since: 27 Feb 2013
Location: Peak District
Posts: 3409
United Kingdom 
Fairly typical for a puma....
Post #814093 7th Feb 2020 9:01pm
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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 306
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
How’s the coolant quantity ?
Post #814101 7th Feb 2020 9:25pm
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ARC99



Member Since: 19 Feb 2013
Location: North Yorkshire
Posts: 1831
United Kingdom 2008 Defender 110 Puma 2.4 USW Cairns Blue
I shouldn't worry the difference between low and high on the gauge represent about 3 degrees centigrade, The fan and radiator are doing what they are supposed to do. Don't make old people mad.
We don't like being old in the first place,
so it doesn't take much to Censored us off.

Richard
Post #814276 9th Feb 2020 10:52am
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diduan



Member Since: 13 Oct 2016
Location: Central Balkan
Posts: 260
Bulgaria 
It is OK if the temperature drops a bit, but not to its lowest point. Check if the EGR cooler is not leaking. This happened to me some years ago and I was experiencing the same symptoms. Defender 110 SW MY2011 2.4tdci decat, no EGR
Jeep Wrangler YJ 1990 4.0. Front 78' Dana 60, Rear CUCV 14 bolt
Post #814295 9th Feb 2020 1:30pm
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