200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
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Coolant Temperature Sensor / Switch HVAC: Locations
Some models will have a coolant temperature sensor on the small coolant hose between the cylinder head and the heat exchanger. On vehicles without
this sensor, view the A/C control head. Channel 6 will display a code of 255 (open circuit).
