22690AA840 Subaru SEN ASSY-OXYGEN, Price: 139.80$, Weight: 0.348kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
22690AA840 |
SEN ASSY-OXYGEN |
0 |
0.348 |
2-3 |
139.80$ |
| Not Available | ||||||
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| ｱｳﾄﾊﾞﾂｸ | 3.0L EMPI DOHC NA | 3.0R EYESIGHT | Japan | 03.2008 | 04.2009 | ﾉｰﾏﾙ ｻｽﾍﾟﾝｼﾖﾝ | View |
Oxygen Sensor Assembly: Vital for Performance and Efficiency
The oxygen sensor assembly is a critical component in modern vehicles, necessary for maintaining optimal engine performance and reducing emissions. This sensor monitors the oxygen levels in the exhaust gases, allowing the engine control unit (ECU) to adjust the air-to-fuel ratio for the engine's efficiency and economy. It ensures that the engine runs in the 'sweet spot,' balancing power and fuel consumption while minimizing harmful emissions.
How the Oxygen Sensor Works
Nestled in the exhaust stream, this sensor detects the amount of oxygen present in the exhaust gases compared to the external air. By generating a voltage signal, it communicates with the ECU to maintain the appropriate air-to-fuel ratio. A precise balance is crucial—too much oxygen indicates a lean mixture, while too little suggests a rich mixture. Either scenario can lead to performance issues and increased emissions.
Consequences of a Malfunctioning Oxygen Sensor
If the oxygen sensor fails, the engine might run irregularly, with rough idling or difficulty in starting. Fuel efficiency drops, leading to increased costs and potential damage to the catalytic converter, an expensive fix. Additionally, emission levels increase, potentially failing vehicular emission tests. Therefore, regular checks and timely replacement of a faulty sensor are essential to avoid these pitfalls.
Compatibility
- Legacy