6 common Symptoms of a Faulty O2 Sensor | [Check Engine Light Illuminates, Poor Gas Mileage & More

#oxygen #checkenginelight #o2sensor
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here are some additional symptoms of a bad oxygen sensor:
1. Poor fuel economy: A malfunctioning oxygen sensor can cause the engine to run too rich or too lean, which can result in decreased fuel efficiency.
2. Rough idling: A faulty oxygen sensor can cause the engine to idle roughly or inconsistently.
3. Engine hesitation or surging: A bad oxygen sensor can cause the engine to hesitate or surge during acceleration or when maintaining a consistent speed.
4. Check engine light: A malfunctioning oxygen sensor can trigger the check engine light to illuminate on the dashboard.
5. Failed emissions test: A bad oxygen sensor can cause the vehicle to fail an emissions test due to increased levels of pollutants in the exhaust.
6. Rough running: A faulty oxygen sensor can cause the engine to run rough, with noticeable vibrations or shaking.
7. Poor performance: A malfunctioning oxygen sensor can lead to reduced engine performance and responsiveness.