GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Engine Controls Component Views
Figure 1:

LF Radiator Support Components (4.3L/4.8L/5.3L/6.0L)
Object Number: 310796 Size: MF
(1)Powertrain Control Module (PCM)
(2)Radiator Support
(3)Left Frame Rail
(4)PCM Wire Harness Connectors
Figure 2:

RF of the Engine Compartment Components (4.3L)
Object Number: 405657 Size: MF
(1)Air Cleaner Assembly
(2)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly
(3)Air Inlet Tube
(4)Generator
Figure 3:

Crankshaft Position (CKP) Sensor
Object Number: 235188 Size: MF
(1)Crankshaft
(2)Front Engine Cover
(3)Crankshaft Position (CKP) Sensor
Figure 4:

Top of the Engine Components (4.3L)
Object Number: 212698 Size: MF
(1)Throttle Position (TP) Sensor
(2)Idle Air Control (IAC) Valve
(3)Ignition Coil
(4)Evaporative (EVAP) Canister Purge Solenoid
(5)Oil Pressure Switch
(6)Knock Sensor (KS)
(7)Fuel Pressure Connection Valve
(8)Positive Crankcase Ventilation Valve (PCV)
Figure 5:

MAP, EGR, Purge Solenoid, and Throttle Body
Object Number: 209643 Size: SF
(1)Throttle Body
(2)Exhaust Gas Recirculation (EGR) Valve
(3)Generator
(4)Evaporative Emission (EVAP) Canister Purge Valve
(5)Manifold Absolute Pressure (MAP) Sensor
Figure 6:

Left Side of the Engine Components (4.3L)
Object Number: 235186 Size: MF
(1)Bank 1 Cylinder Head
(2)Engine Coolant Temperature (ECT) Sensor
Figure 7:

Top Right Side of the Engine Components (4.3L)
Object Number: 212690 Size: LF
(1)Engine Harness
(2)Injector Assembly Electrical Connector
(3)Throttle Body
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Ignition Control Module (ICM)
(6)Ignition Coil
(7)Evaporative Emission (EVAP) Canister Purge Solenoid
Figure 8:

Top Rear of the Engine Components (4.3L)
Object Number: 212680 Size: MF
(1)Camshaft Position (CMP) sensor
(2)Oil Pressure Switch
(3)Knock Sensor (KS)
Figure 9:

Oxygen Sensors (4.3L)
Object Number: 209624 Size: MF
(1)HO2S Bank 2 Sensor 2
(2)HO2S Bank 1 Sensor 2
(3)HO2S Bank 1 Sensor 1
(4)HO2S Bank 2 Sensor 1
Figure 10:

Automatic Transmission (4.3L w/2WD)
Object Number: 209622 Size: SF
(1)Vehicle Speed Sensor (VSS)
Figure 11:

Manual Transmission (4.3L w/2WD)
Object Number: 246886 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 12:

Transfer Case (4.3L A/T w/4WD)
Object Number: 246883 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 13:

Transfer Case (4.3L M/T w/4WD)
Object Number: 246884 Size: SF
(1)Manual Transmission
(2)Vehicle Speed Sensor (VSS)
(3)Transfer Case (4WD)
Figure 14:

LR Frame -- Fuel Components (4.3L)
Object Number: 334914 Size: MF
(1)Left Frame Rail
(2)Evaporative Emission(EVAP) Canister Vent Solenoid
(3)Fuel Tank
(4)EVAP Canister
Figure 15:

Fuel Tank Components (4.3L)
Object Number: 235167 Size: MF
(1)Fuel Tank
(2)Fuel Tank Pressure (FTP) Sensor Connector
(3)Fuel Level Sensor (-Left/Right/Primary/Secondary)
(4)Fuel Pump and Sender Assembly
Figure 16:

RR of the Engine Compartment Components (4.3L)
Object Number: 334932 Size: MF
(1)Secondary Air Injection (AIR) Pump
(2)Vacuum Hose to AIR Solenoid
(3)Low Pressure Switch
(4)A/C Accumulator
(5)AIR Hose to AIR Pipes
(6)AIR Solenoid
(7)AIR Pump Shut Off Valve
(8)Fender to Cowl Brace