Q: Why should I replace the oxygen sensor? How long is the replacement cycle?
A: In order to improve the performance of the engine and the conversion efficiency of the three-way catalytic converter; it is generally recommended to replace it at around 80,000 kilometers (it may vary depending on the driving environment and driving habits).
Q: What is the performance of a car with a problem with the oxygen sensor?
A: Excessive exhaust emissions and black smoke; unstable idling and jerky driving; sudden and obvious increase in fuel consumption; etc., other situations are recommended to be checked at an auto repair shop.