GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Engine Compartment


Object Number: 795737  Size: LF
(1)Idle Air Control (IAC) Valve
(2)Throttle Position (TP) Sensor
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Brake Fluid Reservoir
(5)Evaporative Emission (EVAP) Canister Purge Solenoid
(6)Engine Coolant Temperature (ECT) Sensor
(7)G110/G112
Figure 2:

Crankshaft Position Sensor,Engine Oil Pressure Sensor


Object Number: 903441  Size: LF
(1)Engine Oil Pressure Sensor
(2)C104
(3)Crankshaft Positon (CKP) Sensor
Figure 3:

Below the Left Side of the IP, Near the Steering Column


Object Number: 264425  Size: LF
(1)IP Harness
(2)Engine Harness
(3)Powertrain Control Module Connectors
(4)Body Harness
(5)Rear Compartment Lid Release Switch
Figure 4:

Fuel Injectors


Object Number: 901654  Size: LF
(1)C102
(2)Fuel Injector 4
(3)Fuel Injector 3
(4)Fuel Injector 2
(5)Fuel Injector 1
Figure 5:

Fuel Pump and Sender Assembly


Object Number: 61866  Size: SH
(1)Fuel Tank Pressure (FTP) Sensor
(2)Fuel Pump and Sender Assembly
(3)Fuel Pump Strainer
(4)Fuel Level Sensor
Figure 6:

Engine Compartment ICM and Sensors


Object Number: 799009  Size: LF
(1)Intake Air Temperature (IAT) Sensor
(2)Ignition Control Module (ICM)
(3)ICM Interconnect
(4)Knock Sensor (KS)
(5)C103
Figure 7:

Heated Oxygen Sensor (HO2S) Sensor 2


Object Number: 217420  Size: MF
(1)Heated Oxygen Sensor (HO2S) Sensor 2
(2)TWC Catalyst
Figure 8:

Rear of Engine


Object Number: 217426  Size: MF
(1)Exhaust Manifold
(2)Heated Oxygen Sensor (H02S) Sensor 1