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Tank



Member Since: 25 Jul 2014
Location: Fife
Posts: 431
Scotland 2004 Defender 90 Td5 HT Zermatt Silver
Temperature
My temperature gauge has never worked and no matter how I am driving it never moves. Do I need a new sender unit ? Is that possibly the problem ?

http://www.ebay.co.uk/itm/Land-Rover-Defen...1555459956

Cheers

Dunk
Post #378842 14th Dec 2014 9:46am
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6105
United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Could be the guage itself..

Not sure if the plug is the same as the fuel guage one.... try swaping them over and see if the fuel guage moves instead, could eliminate it.
Post #378856 14th Dec 2014 10:07am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5741
2006 Defender 110 Td5 USW Zermatt Silver
When you say it doesnt work, what do you mean? It just stays at the bottom and needle never moves? Or always just sits at half way?

Staying at half way is normal, then if it ever goes above it just goes straight into the red putting engine in limp mode.

If no move at all have you tried just shorting the cable to the sender and seeing if gauge moves?

Andy
Post #378859 14th Dec 2014 10:28am
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Tank



Member Since: 25 Jul 2014
Location: Fife
Posts: 431
Scotland 2004 Defender 90 Td5 HT Zermatt Silver
Sits at the bottom and doesn't move ! Will try and short it and swap with fuel gauge as well ?
Post #378930 14th Dec 2014 4:46pm
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GreigP



Member Since: 13 Apr 2014
Location: aberdeenshire
Posts: 18
Scotland 1999 Defender 90 2.5 TD CSW Oslo Blue
you could always take out the sender unit and dip it in hot water vs when its cold.. stick a multimeter on it and see if its playing as expected .....

I had an issue with having the wrong ECU so my temp gauge worked in reverse... I'd already replaced the sender before checking the forum... doh!!
Post #378939 14th Dec 2014 5:13pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 628
Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
In TD5 the sensor is connected to engine ECU, and output of the ECU is connected to gauge. With nanocom you can test the sensor - ECU will show you the engine temperature, and also check the gauge. Do it before changing any parts.

In case the engine ECU is configured for Discovery2, instead of Defender, the temperature gauge works in reverse, not a big problem, but the throttle works much worse - wery sensitive on the beginning, and it makse the ride not comfortable. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #379233 15th Dec 2014 5:21pm
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Tank



Member Since: 25 Jul 2014
Location: Fife
Posts: 431
Scotland 2004 Defender 90 Td5 HT Zermatt Silver
Mmmm don't have a nanocom Sad
Post #379326 15th Dec 2014 10:35pm
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