Oxygen Sensor

The oxygen sensor is a critical component of your vehicle’s emissions system. It measures the level of oxygen in the exhaust gases, providing vital information to the engine control unit (ECU) to adjust the air-fuel mixture. This ensures that the engine runs efficiently, helping to maximize fuel economy and reduce harmful emissions. A properly functioning oxygen sensor helps maintain optimal engine performance and supports the vehicle’s overall health by preventing engine damage due to improper fuel mixture ratios.

If the oxygen sensor fails or becomes inefficient, it can cause a variety of issues. The engine may run too rich (too much fuel) or too lean (not enough fuel), leading to poor performance, reduced fuel efficiency, and higher exhaust emissions. You may also notice the check engine light turning on or your vehicle running roughly. In some cases, a faulty oxygen sensor can trigger increased pollution levels, leading to potential issues with emissions testing compliance.

Replacing a faulty oxygen sensor is essential to maintaining your vehicle’s performance and reducing your carbon footprint. Regular checks of your oxygen sensor can help prevent unnecessary repairs and ensure your engine runs smoothly. At Banno Auto Repair Ltd., our technicians are equipped to diagnose and replace oxygen sensors to keep your vehicle running efficiently and in compliance with environmental regulations.