The two main sensors involved are the external ambient temperature sensor and the internal temperature sensor. If they aren't working properly it may explain a thing or two. I'd check the internal sensor first, afaik there isn't a way to find out what reading it's giving so it would be a substitution test. The external ambient temp reading should be displayed on the dash.
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Need a T4 ?: T4 Owners Map thanks to Stevestrat ( use at your own risk)
Where?:
https://en.wikipedia.org/wiki/Tanelorn
Mods/Retrofits:
PCV vortex 'filter'; bluetooth; inline thermostat; reversing sensors; plenum spyhole ; headlamp washers ; Diy mp3 player replacing CD multichanger; FBH with remote; Headlamp washers; black/chrome front grille, rear blind; Xenon projectors
To do:
puddle lights; 2 Din cd/nav to fit; boot release button
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