Fault codes related to AdBlue Quality Sensors are quite common for engines that are equipped with SCR Aftertreatment Systems. Learn the basics to improve engine uptime!
AdBlue is an automotive-specific liquid mixture of 67.5% Water and 32.5% Urea. It is injected before the SCR catalyst to help reduce NOx to virtually zero. It is very important to learn some simple tricks about Adblue to avoid having to deal with system faults that could be avoided!