GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Generic
🢒
2003
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Unit Repair
🢒 Sensor Controls: Heated Oxygen Sensor (5.0L, 5.7L with 4L60-E)
Sensor Controls: Heated Oxygen Sensor (5.0L, 5.7L with 4L60-E)
Sensor Controls: Heated Oxygen Sensor (5.0L, 5.7L with 4L60-E)
Master Electrical Component List
Powertrain Control Module Description
Sensor Controls: Heated Oxygen Sensor (5.7L with 4L80-E)
EVAP and EGR Controls
OBD II Symbol Description Notice
Ignition A, Ignition B Fuses, and Ignition Switch
Engine 1 Fuse (4.3L, 5.0L, and 5.7L)
G103 (4.3L, 5.0L, and 5.7L Engines)
Components through S152 to G103 (Gasoline Engines)