GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Century 🢒 Body 🢒 Wiring Systems 🢒 Engine Controls Component Views
Figure 1:

LF of the Engine Compartment Components
Object Number: 924700 Size: MF
(1)Powertrain Control Module (PCM)
(2)Engine Wiring Harness
Figure 2:

Upper Front of the Engine (LG8)
Object Number: 1172483 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(3)Mass Air Flow (MAF) Sensor
(4)Throttle Position (TP) Sensor
(5)Idle Air Control (IAC) Valve
(6)Intake Air Temperature (IAT) Sensor
(7)Exhaust Gas Recirculation Valve
(8)Throttle Position (TP) Sensor
(9)Idle Air Control (IAC) Valve
Figure 3:

Lower Front of the Engine Components (LG8)
Object Number: 1265116 Size: MF
(1)Crankshaft Position (CKP) Sensor A Connector
(2)Knock Sensor (KS) 1
(3)Engine Oil Pressure (EOP) Switch
(4)Starter
(5)Engine Wiring Harness
(6)Starter Solenoid S Terminal
(7)Fusible Link
(8)Starter Solenoid B Terminal
(9)Positive Battery Lead
(10)A/C Compressor Clutch
Figure 4:

Top of Engine (LG8) 1 of 2
Object Number: 1265589 Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Camshaft Position (CMP) Sensor
Figure 5:

Top of Engine (LG8) 2 of 2
Object Number: 1364552 Size: MF
(1)Fuel Injector 2
(2)Fuel Injector 4
(3)Fuel Injector 6
(4)Fuel Rail
(5)Fuel Injector 5
(6)Fuel Injector 3
(7)Fuel Injector 1
Figure 6:

Left Front of Intake Manifold (LG8)
Object Number: 1364494 Size: MF
(1)Fuel Injection Wiring Harness
(2)Engine Coolant Temperature (ECT) Sensor Connector
(3)Engine Coolant Temperature (ECT) Sensor
Figure 7:

Lower Right Side of Engine
Object Number: 388943 Size: LF
(1)Crankshaft Position (CKP) Sensor A
(2)Front Cover
Figure 8:

Rear of Engine
Object Number: 388941 Size: LF
(1)Ignition Control Module (ICM) C3
(2)Ignition Control Module (ICM)
(3)Crankshaft Position (CKP) Sensor B
(4)Crankshaft Position (CKP) Sensor Wiring Harness
Figure 9:

Upper Rear of the Engine Components (LG8)
Object Number: 1219598 Size: MF
(1)Generator B+
(2)Generator
(3)Generator Connector
(4)Engine Wiring Harness
(5)C102
(6)Heated Oxygen Sensor (HO2S) 1
(7)Ignition Control Module (ICM), C2
(8)Ignition Control Module (ICM), C3
Figure 10:

Fuel Tank
Object Number: 1364522 Size: LF
(1)Fuel Pump and Sender Wiring Harness
(2)Fuel Pump and Sender Assembly
(3)Fuel Tank Pressure (FTP) Sensor
(4)Fuel Line Quick Connector
(5)Fuel Pump
(6)Base Plate
(7)Fuel Strainer
(8)Fuel Level Sensor
(9)Springs
Figure 11:

Under Vehicle, Rear of the Engine
Object Number: 1060619 Size: MF
(1)Catalytic Converter
(2)Engine Wiring Harness
(3)Heat Exhaust Shield
(4)Heated Oxygen Sensor (HO2S) 2
Figure 12:

LR of the Vehicle
Object Number: 1318236 Size: LF
(1)Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
(2)Body Wiring Harness
(3)Evaporative Emissions (EVAP) Canister
(4)P425
(5)Body Wiring Harness