XL-7 Limited 4WD V6-2.7L (2002)
Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor (Sensor 1)
Heated Oxygen Sensor (Sensor 1) Inspection
Inspect HO2S-1 and its circuit referring to "DTC P0131 / P0132: HO2S-1 (Bank 1) Circuit Low / High Voltage: ". If malfunction is found, replace.
