Measures the air-fuel mixture in the exhaust upstream of the catalytic converter to optimize engine performance and emissions.
How to tell if you need a replacement:
Poor fuel efficiency, rough idle, engine misfires, or a check engine light.
NTK, a division of NGK, specializes in OE-quality sensors, including oxygen sensors, mass airflow sensors, and more. NTK sensors ensure precise engine management and emissions control for modern vehicles.