GM Service Manual Online
For 1990-2009 cars only

Heated Oxygen Sensors

Heated Oxygen Sensors


Object Number: 551897  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A.I.R., IAC, and MAF
Engine Data Sensors-MAP, IAT, ECT, and TP
OBD II Symbol Description Notice
IGN A Fuse and Ignition Switch
Cell 10: ENG-1 Fuse
G105 (2 of 2)
G105 (1 of 2)
Handling ESD Sensitive Parts Notice