Engine Controls Component Views. Pontiac Grand Prix 2003

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2003 🢒 Grand Prix 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Component Views

Figure 1:

Powertrain Control Module (PCM)--LH Side of Engine Compartment


(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 2:

Left Top of Engine (w/RPO L36,L67)


(1)	Mass Air Flow (MAF) Sensor
(2)	Intake Air Temperature (IAT) Sensor
(3)	Throttle Position (TP) Sensor
(4)	Idle Air Control (IAC) Valve

Figure 3:

Left Top of Engine -- MAF, TP, ECT Sensors and IAC Valve (w/RPO L36,L67)


(1)	Idle Air Control (IAC) Valve
(2)	Mass Air Flow (MAF) Sensor
(3)	Throttle Position (TP) Sensor
(4)	Engine Coolant Temperature (ECT) Sensor

Figure 4:

Lower Left Front of Engine -- RPO L36, L67


(1)	Battery Positive Cable
(2)	Fusible Link
(3)	G113
(4)	Negative Battery Cable
(5)	Starter
(6)	Solenoid Start Terminal S
(7)	Engine Oil Level Switch
(8)	Knock Sensor (KS) Bank 1

Figure 5:

Upper Left Rear Side of Engine (w/RPO L36,L67)


(1)	Exhaust Gas Recirculation (EGR) Valve
(2)	Heated Oxygen Sensor (HO2S) Sensor 1

Figure 6:

Top Front Side of Engine -- RPO L67


(1)	Idle Air Control (IAC) Valve
(2)	Throttle Position (TP) Sensor
(3)	Mass Air Flow (MAF) Sensor Connector
(4)	Intake Air Temperature (IAT) Sensor Connector
(5)	Supercharger Boost Control Solenoid
(6)	Fuel Injector 5
(7)	Fuel Injector 3
(8)	Fuel Injector 1
(9)	C110
(10)	C126

Figure 7:

Top Rear of Engine (RPO L36)


(1)	Positive Terminal of the Generator
(2)	Generator
(3)	Generator Connector
(4)	Secondary Air Injection (AIR) Solenoid -- Connector
(5)	Heated Oxygen Sensor (HO2S) Sensor 1, Connector
(6)	Fuel Injector 2 -- Connector
(7)	Fuel Injector 4
(8)	Fuel Injector 6

Figure 8:

Top Rear of Engine (RPO L67)


(1)	Positive Terminal of the Generator
(2)	Generator
(3)	Generator Connector
(4)	Manifold Absolute Pressure (MAP) Sensor
(5)	Fuel Injector 2 -- Connector
(6)	Fuel Injector 4
(7)	Fuel Injector 6
(8)	Evaporative Emission (EVAP) Canister Purge Solenoid

Figure 9:

Right Front Side of Engine (w/RPO L36,L67)


(1)	C110
(2)	Ignition Control Module (ICM) Wiring Harness
(3)	Ignition Control Module (ICM)
(4)	Engine Oil Level Sensor
(5)	Crankshaft Position (CKP) Sensor

Figure 10:

Top Right of Engine -- RPO L36,L67


(1)	Ignition Coils
(2)	Ignition Control Module (ICM)
(3)	G111
(4)	Ignition Control Module (ICM) Wiring Harness

Figure 11:

Right Side of Engine (w/RPO L36,L67)


(1)	Camshaft Position (CMP) Sensor
(2)	Ignition Control Module (ICM) Wiring Harness

Figure 12:

Lower Right Rear of Engine -- RPO L36,L67


(1)	Engine Harness
(2)	Engine Oil Pressure (EOP) Switch
(3)	Vehicle Speed Sensor (VSS)
(4)	C125

Figure 13:

Lower Rear Side of Engine (w/RPO L36,L67)


(1)	Knock Sensor (KS) Bank 2
(2)	Knock Sensor (KS) Bank 2 -- Wiring Harness
(3)	C125

Figure 14:

Rear of Engine Below Center of Vehicle


(1)	Exhaust Heat Shield
(2)	Catalytic Converter
(3)	Heated Oxygen Sensor (HO2S) Sensor 2

Figure 15:

Left Rear of Vehicle


(1)	Evaporative Emission (EVAP) Canister Vent Solenoid Connector
(2)	Evaporative Emission (EVAP) Canister Vent Solenoid

Figure 16:

Vehicle Fuel Tank


(1)	C405

Figure 17:

Fuel Pump and Sender Assembly


(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