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Discussion Starter · #1 ·
My disco didn't start to run hot until the camshaft sensor went out.... I wanted to know if that could be one of the symptoms or i have total different problem and head gasket job has been done.. Car doesn't run all the way hot but moves above the half way mark close to the next line but doesn't get there.... I haven't had a chance to drive it.. Until the sensor get replace.
 

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certified idiot
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you cant rely on the temp gauge in the dash - its like an idiot light only has 3 positions, cold, midway and hot. Its not a graduated gauge - you need an ultraguage or scan guage or live obd reader to see the real temp.
cheers
Barri
 

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certified idiot
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most modern vehicles have idiot gauges now. The sensor reads analogue which is why things like scangauge and ultragauge end up being sold in such high numbers.
There are tons of posts on it - generally the correct temperature is sent to the ECM (thats where the OBD driven gauges read the info) but then the ECM sends a pulse modulated signal to the gauge in the dash. The temperature display is programmed to display a set position between certain temperatures. In theory it reads below 170 as cold and then 170 to 232 as normal and above 232 as hot. When DM was on here he posted that every gauge he had tested ran as normal from 150 to 228. They do it to stop people panicking about fluctuations but the gauge on the dash is bloody useless basically.

What is the normal coolant temperature and a few other questions. - Page 4 - Land Rover Forums - Land Rover Enthusiast Forum
http://www.landroversonly.com/forums/f40/discovery-running-temp-57175/
http://www.landroversonly.com/forums/f40/high-engine-temps-radiator-59425/
 
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