GM Service Manual Online
For 1990-2009 cars only

Heated Oxygen Sensors (HO2S)

Heated Oxygen Sensors (HO2S)


Object Number: 687998  Size: FS
Master Electrical Component List
C212 (Upfitter Connector) and Vehicle Speed Sensor (VSS)
Intake Air Temperature (IAT)/Mass Air Flow (MAF) and Manifold Absolute Pressure (MAP) Sensors