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The Mercury Oxygen Sensor monitors the ratio of air and fuel in the exhaust and reports it to the engine control unit (ECU). The ratio of air and fuel that gives maximum efficiency is called a “perfect ratio”. There are two possible mixtures of air and fuel in the combustion chamber: rich and lean. The mixture is rich when the amount of air is less than that of the perfect ratio and is lean when there is excess air than that of the perfect ratio. If these mixtures are detected, the fuel injection is regulated to maintain a perfect air-fuel ratio.

If your Mercury Oxygen Sensor is not functioning properly, you should replace it as soon as possible. Buy Auto Parts stocks a wide range of OEM replacements and premium aftermarket parts for every car make and model. All our car parts are tested thoroughly and come with a warranty and free shipping!

To view the parts that fit your vehicle, you just need to select the right year, make and model of your car on our online catalog. If you require assistance in finding the Mercury Oxygen Sensor, feel free to contact our support team. As we have warehouses all across the country, you can be assured of receiving your car parts from the warehouse closest to your location, on time.

Making sure our customers get the right part at the best price is our top priority. For any assistance, you can call our toll-free support line at 1-888-907-7225 or email us at [email protected]. Our US-based sales and support teams are here to answer all your questions about our car parts.

 

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