Tip - Replacing a KIA Spectra Oxygen Sensor | eHow

Your 2009 Kia Spectra has two oxygen sensors. One sensor is located under the hood on the exhaust manifold and is referred to as the "upstream sensor" or "Sensor No. 1." The other sensor is located under the vehicle to the rear of the catalytic converter and is referred to as the "downstream sensor" or "Sensor No....