Exterior temperature guage is off the charts
My exterior temperature guage starts reading at about +10, then slowly goes down to -40 and then just displayes dashes. In addition, the on board diagnostics, which are accessible on the climate control panel does not work. I can switch to the diagnostic mode but I can't scroll through any of the different values.
I disconnected and reconnected the sensor in the front grill, but the problem persists.
Any ideas?
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Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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