ok.. these 2 codes poped up after my car decided to run liek **** for no reason. i was drivign down the freeway, then all of a suden the car felt liek it lost 1/2 its overall power.. i mean it felt liek a v6 (no offence guys). how do i fix these 2 codes? im thinkign the 44 means get a new o2 sensor... but what about 36?