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

Left Hand Side of Engine


Object Number: 371074  Size: LF
(1)Fuel Injector 16-Way Harness Connector (C130)
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Exhaust Gas Recirculation (EGR) Valve
(4)Throttle Position (TP) Sensor
(5)Throttle Body
(6)Fuel Pressure Regulator
(7)Oil Pressure Switch
(8)Knock Sensor (KS)
(9)Crankshaft Position (CKP) Sensor A Harness Connector
(10)Positive Crankcase Ventilation (PCV) Valve
(11)Camshaft Position (CMP) Sensor Harness Connector
(12)Fuel Rail
(13)Upper Intake Manifold
Figure 2:

Right Hand Side of Engine


Object Number: 762185  Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Secondary Ignition (Spark Plug) Wires
(3)Ignition Coil/Module Assembly
(4)Heated Oxygen Sensor (HO2S) Sensor 1
(5)Crankshaft Position (CKP) Sensor B
(6)Exhaust Gas Recirulation (EGR) Valve
(7)Throttle Position (TP) Sensor
(8)Idle Air Control (IAC) Valve
(9)Evaporative Emission (EVAP) Canister Purge Solenoid
(10)Camshaft Position (CMP) Sensor Connector
Figure 3:

Top Left of Engine


Object Number: 795892  Size: LF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid
(2)Mass Air Flow (MAF) Sensor
(3)Throttle Position (TP) Sensor
(4)Idle Air Control (IAC) Valve
(5)Intake Air Temperature (IAT) Sensor
(6)Exhaust Gas Recirculation (EGR) Valve
Figure 4:

Coolant Temperature Sensor


Object Number: 792630  Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
Figure 5:

Top Left Side of Engine (3100 LG8)


Object Number: 531485  Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Feed and Return Lines
(3)Idle Air Control (IAC) Valve
(4)Evaporative Emission (EVAP) Canister Purge Valve
Figure 6:

Heated Oxygen Sensor 2 (HO2S2)


Object Number: 181135  Size: LF
(1)Heated Oxygen Sensor (HO2S) Sensor 2
Figure 7:

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 792667  Size: LF
(1)Evaporative Emission (EVAP) Canister Vent Solenoid
Figure 8:

Multi Way Fuel Injector Harness Connector, Fuel Pressure Regulator, PCV Valve


Object Number: 762218  Size: MF
(1)Fuel Injector Harness 16 Way Connector (C130)
(2)Fuel Pressure Regulator
(3)Positive Crankcase Ventilation (PCV) Tube
Figure 9:

A/C Compressor -- Lower RH Front of Engine (3100 LG8)


Object Number: 327373  Size: LF
(1)Crankshaft Position (CKP) Sensor A
(2)Knock Sensor (KS)
(3)Oil Pressure Switch
(4)Fusible Links
(5)A/C Compressor Clutch Coil Harness
Figure 10:

Engine Oil Level Switch (If Equipped)


Object Number: 181102  Size: SF
(1)Engine Oil Level Switch
Figure 11:

Vehicle Speed Sensor (VSS)


Object Number: 181104  Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 12:

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