VW Jetta MK6 TDI Check Engine 

Diagnosing and finding a temporary solution to a check engine light on my 2015 VW Jetta TDI. This is the second time the check engine light came on so I was pretty sure what it would be since I had done the same "repair". before. This video gives a little information on removing a VW TDI NOx sensor and cleaning it to restore some life.