How Many O2 Sensors Does A 2003 Cadillac CTS Have?
How Many O2 Sensors Does A 2003 Cadillac CTS Have? 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 are on a 2003? The 2003 Ford Taurus will only have 2 o2 sensors located on the vehicle.