I ve not got vcds yet but i hooked it up to my live obd2 box and the coolant temp being reported hovers around the 50 54 degrees mark.
Audi q7 coolant temperature sensor location.
Labor costs are estimated between 110 and 140 while parts are priced between 18 and 50.
Here is a quick video on how to replace a temperature sensor on an audi a6 with a 2 8l engine.
Engine coolant temperature sensor.
2017 audi a4 progressiv 4 cyl 2 0l location coolant hose black 2 pin 2017 audi a6 quattro competition 6 cyl 3 0l black 2 pin 2017 audi a7 quattro competition 6 cyl 3 0l black 2 pin.
I ve done a fair bit of searching and the two usual culprits for dodgy temp readings are the coolant temperature sensor and the thermostat.
The main one is that the coolant temperature gauge hardly moves.
The average cost for an audi q7 engine coolant temperature sensor replacement is between 128 and 190.