Why Replace A Faulty Oxygen Sensor? A faulty sensor cannot transmit accurate data to the car's computer, causing the engine to run unbalanced. An unbalanced engine either burns fuel with too much or ...
Answer:DTC P0052 refers to a failure of the oxygen sensor heater control circuit -- Bank 2, Sensor 1. The O2 sensor is most accurate in determining oxygen content in the exhaust gases at a certain ...