Where to Get Your Lexus's Oxygen Sensor Repaired in Marlborough The components of your Lexus are designed to work together seamlessly to ensure its high performance. When your car is running, the engine produces gas emissions. The oxygen sensor detects the levels of oxygen that are in the exhaust. Its oxygen sensor plays an important role in monitoring and controlling how your car operates and performs. Let's take a look at this component and discuss what happens when it fails. How Oxygen Sensors Regulate your Car’s Performance It’s important for car owners to understand how critical a functional oxygen sensor is to their car’s operation. Specific air-to-fuel ratios detected by your car’s oxygen sensor will signal to the Powertrain Control Module (PCM) if adjustments need to be made. The PCM controls y ... read more