Covington Auto Repair

Your vehicle’s oxygen (O2) sensor may be small, but it plays a big role in keeping your engine running efficiently. Located in the exhaust system, the oxygen sensor measures the amount of oxygen in the exhaust gases and sends that information to the engine control module (ECM). The ECM uses this data to adjust the air-fuel mixture for optimal performance, fuel efficiency, and emissions control. When the oxygen sensor begins to fail, it can cause a range of issues that impact your vehicle’s drivability, fuel economy, and emissions. Knowing the warning signs can help you catch the issue early and avoid costly repairs. Check Engine Light Illumination One of the most common indicators of a bad oxygen sensor is the check engine light. Because the oxygen sensor is vital to the engine’s fuel management system, the ECM will detect when it is not providing accurate readings and trigger the warning light. While the check engine light can come on for many re ... read more