What does it typically cost to replace the two coolant temperature sensors? on 2004 Volkswagen Touareg

The problem happens every time the car turns off. The fun runs for about 10 minutes.

Asked by for the 2004 Volkswagen Touareg
About a hundred dollars - parts and labor
Thats what I was thinking but I had a dealership quote me $250 and this wasnt even a VW dealership.