what parts do I need to fix when code P2096 comes up on kia optima?

Question

check engine light came on, friend who has scanner checked for code

Answer 1

P2196 this is 02 sensor stuck rich, on this vehicle you have a the MAF yours may not be cleanable, depending on the type you have , if it is this would be the sensor to start at, You would also need to make sure that the radiator is full and not low,