GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 8.1L 🢒 Engine Controls Component Views
Figure 1:

Powertrain Control Module (PCM)
Object Number: 750139 Size: LF
(1)Powertrain Control Module (PCM)
(2)PCM Connector C1 and C2
Figure 2:

Right Front of Engine Compartment
Object Number: 350034 Size: MF
(1)Clamp
(2)Air Duct
(3)Clamp
(4)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(5)Air Cleaner Assembly
(6)Air Restriction Indicator
Figure 3:

Left Side of Engine
Object Number: 1553128 Size: LF
(1)Throttle Body
(2)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(3)Ignition Coil 1
(4)Fuel Injector 1
(5)Ignition Coil 3
(6)Fuel Injector 3
(7)Manifold Absolute Pressure (MAP) Sensor
(8)Fuel Injector 5
(9)Ignition Coil 5
(10)Fuel Injector 7
(11)Ignition Coil 7
(12)Knock Sensor (KS) - Bank 1
(13)Camshaft Position (CMP) Sensor
Figure 4:

Right Side of Engine
Object Number: 1553130 Size: LF
(1)Crankshaft Position (CKP) Sensor
(2)Engine Oil Pressure (EOP) Sensor
(3)Fuel Injector 8
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Ignition Coil 8
(6)Ignition Coil 6
(7)Fuel Injector 6
(8)Fuel Injector 4
(9)Ignition Coil 4
(10)Fuel Injector 2
(11)Throttle Body
(12)Ignition Coil 2
(13)Engine Coolant Temperature (ECT) Sensor
(14)Knock Sensor (KS) - Bank 2
(15)Starter Solenoid
(16)Starter
Figure 5:

Fuel Pump Relay - Secondary - w/Dual Tanks
Object Number: 750178 Size: LF
(1)Fuel Pump Relay - Secondary
Figure 6:

Throttle Actuator Control (TAC) Module
Object Number: 750162 Size: LF
(1)Throttle Actuator Control (TAC) Module
(2)Throttle Actuator Control (TAC) Connector
(3)Fuse Block - Underhood
Figure 7:

Accelerator Pedal Position (APP) Sensor Connector
Object Number: 751380 Size: MF
(1)Accelerator Pedal Position (APP) Sensor Connector
(2)Accelerator Pedal Position (APP) Sensor
Figure 8:

Heated Oxygen Sensors (HO2S)
Object Number: 349194 Size: MF
(1)Bank 2 Sensor 1 HO2S
(2)Bank 1 Sensor 2 HO2S Threaded Boss
(3)Right Side Frame Rail
(4)Right Bank Catalytic Convertor
(5)Bank 2 Sensor 2 HO2S
(6)Bank 2 Sensor 2 HO2S Threaded Boss
(7)Left Bank Catalytic Convertor
(8)Bank 1 Sensor 2 HO2S
(9)Bank 1 Sensor 1 HO2S Threaded Boss
(10)Bank 1 Sensor 1 HO2S
(11)Bank 2 Sensor 1 HO2S Threaded Boss
Figure 9:

Fuel Pump and Sender Assembly - Primary
Object Number: 750151 Size: LF
(1)Fuel Pump and Sender Assembly Connector
(2)Fuel Pump and Sender Assembly - Primary
Figure 10:

Fuel Pump and Sender Assembly - Secondary - w/Dual Tanks
Object Number: 750176 Size: LF
(1)Fuel Pump and Sender Assembly - Secondary
(2)Fuel Pump and Sender Assembly Connector
Figure 11:

Fuel Pump and Sender Assembly Components
Object Number: 830794 Size: MF
(1)Fuel Pump and Sender Assembly
(2)Fuel Tank Pressure (FTP) Sensor
(3)Fuel Level Sensor
Figure 12:

Evaporative Emission (EVAP) Canister Vent Solenoid
Object Number: 334914 Size: MF
(1)Left Frame Rail
(2)Evaporative Emissions (EVAP) Canister Vent Solenoid
(3)Fuel Tank
(4)Evaporative Emissions (EVAP) Canister