GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Grand Prix 🢒 Engine 🢒 Engine Controls - 3.8L (L26 and L32) 🢒 Engine Controls Component Views
Figure 1:

Left Front of the Engine Compartment
Object Number: 1203635 Size: LF
(1)Powertrain Control Module (PCM)
Figure 2:

Lower Front of the Engine
Object Number: 1203636 Size: LF
(1)Knock Sensor (KS) Bank 1
(2)G115
(3)Starter Solenoid
(4)Starter
(5)Starter Solenoid Terminal S
(6)Fusible Link
(7)Positive Battery Cable
(8)Engine Oil Level Switch
Figure 3:

Top Left Front of Engine
Object Number: 1321371 Size: LF
(1)C126
(2)Engine Coolant Temperature (ECT) Sensor Jumper Harness
(3)Engine Coolant Temperature (ECT) Sensor
Figure 4:

Upper Front of the Engine
Object Number: 1203637 Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor (L26)
(2)Throttle Actuator Control (TAC) Module
(3)Engine Coolant Temperature (ECT) Sensor
(4)Fuel Injector 5
(5)Fuel Injector 3
(6)Fuel Injector 1
Figure 5:

Left Upper Front of Engine
Object Number: 1319937 Size: LF
(1)Supercharger Boost Control Solenoid (L32)
(2)C126
(3)C110
Figure 6:

Rear of the Engine
Object Number: 1203638 Size: LF
(1)Intake Air Temperature (IAT) / Mass Air Flow (MAF) Sensor
(2)Exhaust Gas Recirculation (EGR) Valve
(3)Evaporative Emission (EVAP) Canister Purge Solenoid
Figure 7:

Upper Rear of the Engine (L26/L32)
Object Number: 1203639 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Injector 6
(3)Fuel Injector 4
(4)Fuel Injector 2
(5)Generator
(6)Barometric Pressure (BARO) Sensor (L32)
(7)Heated Oxygen Sensor (HO2S) Sensor 1
(8)Manifold Absolute Pressure (MAP) Sensor (L32)
Figure 8:

Upper Left Rear Side of Engine
Object Number: 374691 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Heated Oxygen Sensor (HO2S) Sensor 1
Figure 9:

Right Front of the Engine Compartment
Object Number: 1043757 Size: MF
(1)Camshaft Position (CMP) Sensor
(2)Ignition Control Module (ICM) Wiring Harness
(3)C110
(4)Ignition Control Module (ICM)
(5)Ignition Coils
(6)G112
(7)Ignition Control Module (ICM) Wiring Harness
(8)Ignition Control Module (ICM) Wiring Harness
(9)Crankshaft Position (CKP) Sensor
Figure 10:

Lower Right Side of the Engine
Object Number: 1203640 Size: LF
(1)C125
(2)Engine Oil Pressure (EOP) Switch
(3)Vehicle Speed Sensor (VSS)
Figure 11:

Underbody
Object Number: 1203644 Size: LF
(1)Heated Oxygen Sensor (HO2S) Sensor 2
Figure 12:

Rear of the Engine
Object Number: 1043361 Size: MF
(1)Knock Sensor (KS) Bank 2
(2)Knock Sensor (KS) Bank 2 Connector
(3)Knock Sensor (KS) Bank 2 Jumper Harness
(4)C125
Figure 13:

Fuel Pump and Sender Assembly
Object Number: 886471 Size: LF
(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 14:

Left Footwell
Object Number: 1320525 Size: LF
(1)Accelerator Pedal Position (APP) Sensor
(2)Brake Pedal Position Sensor
Figure 15:

Left Rear of the Vehicle
Object Number: 1203646 Size: LF
(1)Evaporative Emission (EVAP) Canister Vent Solenoid