Function: Oxygen sensor is an instrument for controlling the exhaust emissions of petrol, diesel and gas engines. It is an oxygen concentration sensor which measures the residual oxygen content of the exhaust gas and then transmits a signal to the engine control unit in the form of an electric voltage. The oxygen sensor voltage allows the control unit to detect whether the mixture is too lean or rich. It allows the control unit to adjust the amount of fuel injected to obtain an optimum mixture.
Signs of a Bad O2 Sensor: Symptoms include poor gas mileage, rough engine idle, starting trouble, and even failure of the catalytic converter. Often, the check engine light will come on to provide OBD II trouble codes to check with a code reader. Garage replacement service for a bad oxygen sensor can be pricey, but changing your own sensor is generally an easy DIY job that can make your car run smoothly again.
Note: We provide you with one year after-sales service, if you encounter any problems in the process of product use, before you give us your own feedback and comments on our products, please leave us a message in a timely manner, we will be within 18 hours to give you a satisfactory solution. Before you buy this mass air flow sensor. Please use the year/make/model drop down bar confirm the compatibility or description to confirm the compatibility.
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