This video part 1 gonna show what the Code P2195 mean and how you can fix this problem in easy way and in the home with simple tools ....this code for Toyota Avalon 2006 - 2011 oxygen sensor (Bank 1 sensor 1) ..this video has the original part number you can use it to buy original part ...i hop this video helpful and make you know the vehicle problem if you like this video just give us like ..thanks