A GM Genuine Parts Original Equipment Oxygen (O2) Sensor is a GM-recommended replacement for your vehicle’s original component and is a feedback sensor on your vehicle’s exhaust system. This sensor measures the proportion of oxygen in the exhaust gases. Using this measurement, the engine management computer can adjust the air/fuel ratio near the optimum value of 14.7:1. At this ratio, engine performance, emissions and fuel economy are all optimized. This Original Equipment Oxygen Sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability and service life you expect from General Motors. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
24-Month/Unlimited Mile Limited Warranty.
Yes, but with today?s computerized engine systems, maintaining your vehicle?s exhaust and emissions system is best left to a professional technician.
Yes, it could be due to a contaminated sensor probe, broken sensor body, internal sensor failure or external electrical failure.
Yes, GM Genuine Parts OE Oxygen (O2) Sensors are the primary devices on your vehicle that measure the proportion of oxygen in emission and gases with the amount in outside air. Using this measurement, the vehicle computer can adjust the air/fuel ratio to the optimum value of 14.7:1. At this ratio, engine performance, emissions and fuel economy are optimized.