Find Acura MDX O2 Sensor Socket & Spacer. Discover Acura MDX Oxygen Sensor Replacement Cost. Explore Acura MDX Oxygen Sensor Location. Use Acura MDX Sensor Cleaner. Maintaining the O2 sensors in your Acura MDX is crucial for optimal performance and fuel efficiency. To extend their lifespan, avoid using fuel additives and ensure your vehicle is regularly serviced to prevent contaminants from damaging the sensors. Look out for signs of sensor failure, such as a check engine light or poor gas mileage, which signal it's time for a replacement. When selecting a new O2 sensor, choose between the titania and zirconia types, favoring the one that matches your MDX's specifications for seamless integration and durability. Proper installation is key, so consider a pre-coated thread sensor for easy fitting and to prevent cross-threading. Shop with us for quality O2 sensors that keep your MDX running smoothly.