GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Component Views
Figure 1:

Left Front of Vehicle
Object Number: 507600 Size: LF
(1)Headlamp Assembly-Left Connector
(2)Connector Retainer
(3)Secondary Air Injection (AIR) Pump Connector
(4)Fog Lamp-Left Front Connector
Figure 2:

Left Front of Engine Compartment
Object Number: 1101345 Size: LF
(1)Air Cleaner/PCM Housing
(2)A/C Refrigerant Pressure Sensor
(3)Powertrain Control Module (PCM), C2
(4)Powertrain Control Module (PCM), C1
(5)Powertrain Control Module (PCM)
Figure 3:

Left of Engine (L36)
Object Number: 460294 Size: LF
(1)Intake Air Temp (IAT) Sensor
(2)Cruise Control Module (CCM)
(3)Air Cleaner Assembly
Figure 4:

Front of Engine (L36/L67)
Object Number: 193776 Size: LF
(1)Mass Air Flow (MAF) Sensor
(2)Idle Air Control (IAC) Valve
(3)Throttle Position (TP) Sensor
(4)Fuel Pressure Test Connector
(5)Engine Coolant Temperature (ECT) Sensor
(6)Fuel Injector 5
(7)Evaporative Emission (EVAP) Canister Purge Solenoid
(8)Engine Oil Level Switch
(9)Crankshaft Position (CKP) Sensor
(10)Camshaft Position (CMP) Sensor-Behind Water Pump Pulley
(11)Ignition Control Module (ICM)
(12)Positive Crankcase Ventilation (PCV) Valve-Under MAP Sensor
(13)Manifold Absolute Pressure (MAP) Sensor
(14)C110
(15)Fuel Pressure Regulator
Figure 5:

Upper Left Front of Engine (L36)
Object Number: 460302 Size: LF
(1)Fuel Injector 3
(2)Evaporative Emission (EVAP) Canister Purge Solenoid
(3)Fuel Injector 5
(4)Idle Air Control (IAC) Valve
(5)Throttle Position (TP) Sensor
(6)Mass Air Flow (MAF) Sensor
(7)S106
(8)Engine Coolant Temperature (ECT) Sensor Connector
(9)C110
(10)A/C Compressor Clutch Diode
(11)To A/C Compressor
(12)Ignition Control Module (ICM)
(13)To Manifold Absolute Pressure (MAP) Sensor
(14)Fuel Injector 1 Connector
Figure 6:

Upper Right Center of Engine (L36)
Object Number: 460295 Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor Connector
Figure 7:

Right Side of Engine (L36/L67)
Object Number: 305310 Size: LF
(1)Ignition Coils
(2)Ignition Control Module (ICM)
(3)G111
(4)Ignition Control Module (ICM) Wiring Harness
Figure 8:

Upper Left Rear of Engine (L36)
Object Number: 742982 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Injector 6 Connector
(3)Fuel Injector 4 Connector
(4)Fuel Injector 2 Connector
(5)Heated Oxygen Sensor (HO2S) Sensor 1
Figure 9:

Upper Rear of Engine (L36)(NC8)
Object Number: 741381 Size: LF
(1)Fuel Injector #4 Connector
(2)Fuel Injector #2 Connector
(3)Secondary Air Injection (AIR) Solenoid
Figure 10:

Lower Front of Engine (L36)
Object Number: 460459 Size: LF
(1)Knock Sensor (KS) 1
(2)Starter
Figure 11:

Left Front of Engine (L36)
Object Number: 741696 Size: LF
(1)C110
(2)C126
(3)Evaporative Emission (EVAP) Canister Purge Solenoid
Figure 12:

Lower Right Rear of Engine (L36)
Object Number: 743024 Size: LF
(1)C125-Knock Sensor Jumper Harness
(2)Engine Oil Pressure (EOP) Switch
(3)Vehicle Speed Sensor
(4)C125-Engine Harness
Figure 13:

Right Middle of Engine (L36)
Object Number: 189375 Size: MF
(1)Camshaft Position (CMP) Sensor
Figure 14:

Rear Middle of Engine (L36/L67)
Object Number: 190969 Size: MF
(1)Knock Sensor (KS) 2
Figure 15:

Behind Engine, Under Vehicle
Object Number: 305319 Size: LF
(1)Heat Shield
(2)Catalytic Converter
(3)Heated Oxygen Sensor (HO2S) Sensor 2
Figure 16:

Fuel Pump and Sender Assembly
Object Number: 50636 Size: SH
(1)Fuel Line Quick Connector
(2)Fuel Pump
(3)Base Plate
(4)Fuel Strainer
(5)Fuel Level Sensor
(6)Springs
(7)Fuel Tank Pressure (FTP) Sensor
Figure 17:

Left Rear of Vehicle
Object Number: 571274 Size: LF
(1)Evaporative Emission (EVAP) Canister Vent Solenoid Connector
(2)Evaporative Emission (EVAP) Canister Vent Solenoid