i was driving home when i noticed the SES light come on... i took it to my mechanic and the code was p1283. i think it's a o2 sensor somewhere.... in bank 2? can anyone direct me on how to fix and solve the problem? could it be a sensor or a leak somewhere?

 

What was the exhaust cause of the code, or the defitnion of your code. Im too lazy to look it up right now lol.

 

a/f sensor 1 bank 2?