Monitored & Set Conditions

Oxygen sensor monitor will run with engine idling. For 1st part of test, if limits are exceeded, test passes. If no, 2nd part of test runs. Ambient/battery temperature greater than 44°F (7°C), barometric pressure greater than 22.13 in. Hg, battery voltage greater than 10.5 volts, MAP 13.8-21.6 in. Hg, engine speed 1400-2500 RPM (2.4L) or 1120-1950 (3.3L and 3.8L) and vehicle speed 22-60 MPH. DTC will set if O2 Sensor voltage switches from less than .35 volt to greater than .53 volt and back fewer times than required.