How do I know which knock sensor to buy? Green or blue?

Question

I have a 2002 vw passat 1.8t automatic. My car reads code p0333. How do I know which part i need to replace the knock sensor? Green or blue and also, where is the knock sensor for bank 2 located?

Answer 1

most likely the knock sensor has to be replaced here is the location. not sure about the color if you buy it from the dealer you can give you the correct part with the vin number