What Would Cause An Oxygen Sensor To Keep Going Bad?

What Would Cause An Oxygen Sensor To Keep Going Bad? Why do O2 sensors fail? Since the oxygen sensor is in the exhaust stream, it can become contaminated. Common sources of contamination include an excessively rich fuel mixture condition or oil blow-by in an older engine and engine coolant being burnt in the combustion chamber

What Happens When An Oxygen Sensor Goes Bad?

What Happens When An Oxygen Sensor Goes Bad? If your vehicle has a bad oxygen sensor, it could run irregularly or sound rough when it idles. A faulty oxygen sensor can impact your engine’s timing, combustion intervals, and other essential functions. You could also notice stalling or slow acceleration. How can you tell if an