How Many O2 Sensors Are On A Buick Enclave?
How Many O2 Sensors Are On A Buick Enclave? Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more. How many O2 sensors does a 2010 Buick Enclave have? Through this experience, I learned that the Buick Enclave have four oxygen sensors