XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

temperature sensor confusion 3.6 1990 xjs

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Old Aug 19, 2012 | 11:43 AM
  #1  
blackmamba's Avatar
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From: berkhamsted
Default temperature sensor confusion 3.6 1990 xjs

Hi All

the temperature gauge on car is not reading right, even after a long run the gauge has only crept about 1/5 of way up and no where near normal.
On investigation I have seen 2 sender units on top of engineat front. unplugging one (which has a water label on it) makes zero difference to reading (square top with clips)> the other one has a spade connector on it which when you disconnect turns off the reading all together!

so what do i need to so to get this sorted?

Thanks

Max
 
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Old Aug 24, 2012 | 01:21 PM
  #2  
Steve M's Avatar
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From: Wiltshire, UK
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Hi Max
It's either the sender, the wiring or the gauge. If you disconnect it and the gauge reads nothing at all then it is probably the sender. I seem to have to change the oil pressure sender on my 4.0 litre every year so I am guessing poor repro parts.
I don't think that it is a difficult job and you should be able to get a new sender from David Manners or Norman Motors.
Steve
 
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