GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 GMC K Sierra - 4WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Engine Controls Component Views
Figure 1:

Full Engine View Left Side
Object Number: 774476 Size: LF
(1)Idle Air Control (IAC) Motor
(2)Evaporative Emissions (EVAP) Canister Purge Solenoid
(3)Fuel Injector 1
(4)Fuel Injector 3
(5)Fuel Injector 5
(6)Manifold Absolute Pressure (MAP) Sensor
(7)Fuel Injector 7
(8)Positive Crankcase Ventilation (PCV) Valve
(9)Ignition Coil 7
(10)Ignition Coil 5
(11)Ignition Coil 3
(12)Ignition Coil 1
(13)Engine Coolant Temperature (ECT) Sensor
(14)Throttle Position (TP) Sensor
(15)Throttle Body
Figure 2:

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
Figure 3:

EGR, TAC Motor and Ignition Coils 2, 4, 6, 8
Object Number: 774471 Size: LF
(1)Fuel Injector 2 Connector
(2)Throttle Actuator Control (TAC) Motor Connector
(3)Throttle Actuator Control (TAC) Motor
(4)Exhaust Gas Recirculation (EGR) Valve Connector
(5)Exhaust Gas Recirculation (EGR) Valve
(6)Fuel Injector 6
(7)Ignition Coil 2
(8)Ignition Coil 4
(9)Fuel Injector 6
(10)Ignition Coil 6
(11)Fuel Injector 8
(12)Ignition Coil 8
Figure 4:

A/C Compressor Clutch, Oil Level Switch, CKP Sensor and Starter
Object Number: 310258 Size: LF
(1)A/C Compressor Assembly
(2)A/C Compressor Clutch Connector
(3)A/C High Pressure Switch Connector
(4)A/C High Pressure Switch
(5)Oil Level Switch Connector
(6)Starter
(7)Crankshaft Position Sensor (CKP) Connector
(8)Starter Solenoid Lead
Figure 5:

Engine Oil Pressure (EOP) Sensor and CMP Sensor
Object Number: 774474 Size: LF
(1)Engine Oil Pressure (EOP) Sensor
(2)Camshaft Position (CMP) Sensor
(3)Camshaft Position (CMP) Sensor Connector
Figure 6:

Fuel Composition Sensor - w/L59 Only
Object Number: 830773 Size: MF
(1)Fuel Composition Sensor
Figure 7:

Knock Sensors
Object Number: 198593 Size: MF
(1)Knock Sensor (KS) 1
(2)Knock Sensor (KS) 2
Figure 8:

Crankshaft Position (CKP) Sensor Location
Object Number: 222858 Size: MF
(1)CKP Mounting Bolt
(2)CKP Mounting Location
(3)Crankshaft Position (CKP) Sensor
Figure 9:

Air Induction Components
Object Number: 350034 Size: MF
(1)Clamp
(2)Air Duct
(3)Clamp
(4)Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
(5)Air Cleaner Assembly
(6)Air Restriction Indicator
Figure 10:

Vehicle Speed Sensor (VSS) and Park/Neutral Position (PNP) Switch (Manual Transmission)
Object Number: 310252 Size: MF
(1)Park/Neutral Position (PNP) Switch Connector
(2)Vehicle Speed Sensor (VSS)
(3)Vehicle Speed Sensor (VSS) Connector
(4)PNP Switch
Figure 11:

Automatic Transmission 4L60E
Object Number: 310227 Size: LF
(1)Transmission Electrical Connector
(2)Vehicle Speed Sensor (VSS)
(3)Frame Rail Cross Member
(4)Heated Oxygen Sensor Bank 1 Sensor 2 Electrical Connector
(5)Backup Lamp Switch Connector
(6)Park/Neutral Position (PNP) Switch Connector
(7)PNP Switch Assembly
(8)Heated Oxygen Sensor Bank 1 Sensor 1 Electrical Connector
Figure 12:

Automatic Transmission 4L80-E
Object Number: 310233 Size: LF
(1)Vehicle Speed Sensor
(2)Harness Connector
(3)Backup Lamp Switch Connector
(4)Park/Neutral Position (PNP) Switch Connector
(5)Input Shaft Speed Sensor Connector
(6)Park/Neutral Position (PNP) Switch
Figure 13:

Fuse Block-Underhood
Object Number: 310798 Size: MF
(1)Fuse Block-Underhood
(2)Forward Lamp Harness -- C4 (GRN)
(3)Chassis Harness -- C3 (RED)
(4)Fuse Block-Underhood Mounting Bracket
(5)Left Front Wheel House
(6)Left Front Inner Fender
(7)Instrument Panel Harness -- C1 (LT GRY)
(8)Engine Harness -- C2 (BLK)
Figure 14:

Heated Oxygen Sensors (HO2S) 4.8L and 5.3L
Object Number: 334918 Size: MF
(1)Bank 1 Sensor 2 HO2S
(2)Bank 1 Sensor 1 HO2S
(3)Bank 1 Sensor 1 HO2S Threaded Boss
(4)Left Bank Catalytic Convertor
(5)Bank 1 Sensor 2 HO2S Threaded Boss
(6)Bank 2 Sensor 1 HO2S Threaded Boss
(7)Right Side Frame Rail
(8)Right Bank Catalytic Convertor
(9)Bank 2 Sensor 2 HO2S Threaded Boss
(10)Bank 2 Sensor 2 HO2S
(11)Bank 2 Sensor 1 HO2S
Figure 15:

Heated Oxygen Sensors (HO2S) 6.0L
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 16:

Heated Oxygen Sensor Identification
Object Number: 718233 Size: MF
(1)Case Grounded Sensor
(2)Isolated Grounded Sensor
Figure 17:

PCM Location
Object Number: 310796 Size: MF
(1)Powertrain Control Module (PCM)
(2)Radiator Support
(3)Left Frame Rail
(4)PCM Wire Harness Connectors