GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Express 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Engine Controls Component Views
Figure 1:

DLC Connector
Object Number: 535672 Size: MF
(1)DLC Connector
Figure 2:

AIR Pump
Object Number: 615726 Size: SH
(1)AIR Solenoid Electrical Connector
(2)AIR Pump Electrical Connector
(3)AIR Shut Off Valve
(4)AIR Pump
Figure 3:

PCM and Underhood Relay Center
Object Number: 688475 Size: LF
(1)Powertrain Control Module (PCM)
(2)Underhood Relay Center
Figure 4:

MAF, IAT and Air Cleaner
Object Number: 690103 Size: LF
(1)Mass Air Flow (MAF) Sensor
(2)Air Cleaner Assembly
(3)Intake Air Temperature (IAT) Sensor
Figure 5:

Crankshaft Position (CKP) Sensor
Object Number: 235188 Size: MF
(1)Crankshaft
(2)Front Engine Cover
(3)Crankshaft Position (CKP) Sensor
Figure 6:

Crankshaft Position (CKP) Reluctor Wheel
Object Number: 212697 Size: MF
(1)Crankshaft Position (CKP) Reluctor Wheel
(2)Crankshaft
(3)Engine Block
Figure 7:

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

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 9:

Engine Coolant Temperature (ECT) Sensor
Object Number: 217936 Size: SF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Engine Coolant Temperature (ECT) Sensor
Figure 10:

Ignition Coil, Ignition Control (IC) Module, MAP, Throttle Body, and Evaporative (EVAP) Canister Purge Valve
Object Number: 212690 Size: LF
(1)EVAP Pipe
(2)Injector Assembly Electrical Connector
(3)Throttle Body
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Ignition Control (IC) Module
(6)Ignition Coil
(7)Evaporative (EVAP) Canister Purge Valve
Figure 11:

Camshaft Position (CMP) Sensor, Knock Sensor (KS), and Oil Pressure Switch
Object Number: 212680 Size: MF
(1)Camshaft Position (CMP) Sensor
(2)Oil Pressure Switch
(3)Knock Sensor (KS)
Figure 12:

Heated Oxygen Sensors
Object Number: 430019 Size: MF
(1)HO2S Bank 1 Sensor 3
(2)HO2S Bank 1 Sensor 1
(3)HO2S Bank 2 Sensor 1
Figure 13:

Vehicle Speed Sensor - 4L60E
Object Number: 209622 Size: SF
(1)Vehicle Speed Sensor (VSS)
Figure 14:

Vehicle Speed Sensor - 4L80E
Object Number: 537877 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 15:

EVAP Canister and Fuel Tank
Object Number: 247639 Size: LF
(1)Evaporative Emission (EVAP) Vent Valve
(2)Evaporative Emission (EVAP) Canister
(3)Fuel Tank
(4)Fuel Pump/Sender Assembly
Figure 16:

Fuel Tank Pressure Sensor and Fuel Level Sender Assembly
Object Number: 235167 Size: MF
(1)Fuel Tank
(2)Fuel Tank Pressure Sensor Connector
(3)Fuel Level Sender Connector
(4)Fuel Tank Sender Assembly