GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 Grand Prix 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Powertrain Component Views
Figure 1:

Engine Components (L26) 1 of 2
Object Number: 1906891 Size: LF
(1)Ignition Control Module (ICM)
(2)Fuel Injector 1
(3)Fuel Injector 3
(4)Fuel Injector 5
(5)Intake Manifold
(6)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(7)Throttle Actuator Control (TAC) Module
(8)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(9)Engine Coolant Temperature (ECT) Sensor
(10)Secondary Air Injection (AIR) Pump (NU6)
(11)Starter
(12)Engine Oil Level Switch
(13)Starter Solenoid
(14)Knock Sensor (KS) Bank 1
Figure 2:

Engine Components (L26) 2 of 2
Object Number: 1907189 Size: LF
(1)Exhaust Gas Recirculation (ERG) Valve
(2)Fuel Injector 6
(3)Fuel Injector 4
(4)Fuel Injector 2
(5)Manifold Absolute Pressure (MAP) Sensor
(6)Generator
(7)Crankshaft Position (CKP) Sensor
(8)Camshaft Position (CMP) Sensor
(9)Engine Oil Pressure (EOP) Switch
(10)Heated Oxygen Sensor (HO2S) Sensor 1
(11)Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor Bank 2 (NU6)
Figure 3:

Engine Components (LS4) 1 of 3
Object Number: 1907321 Size: LF
(1)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(2)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(3)Generator
(4)Camshaft Position (CMP) Sensor
(5)Crankshaft Position (CKP) Sensor
(6)Knock Sensor (KS) 2
(7)Ignition Coil 2
(8)Ignition Coil 4
(9)Ignition Coil 6
(10)Ignition Coil 8
(11)Manifold Absolute Pressure (MAP) Sensor
Figure 4:

Engine Components (LS4) 2 of 3
Object Number: 1907468 Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
(2)Ignition Coil 1
(3)Ignition Coil 3
(4)Ignition Coil 5
(5)Ignition Coil 7
(6)Throttle Actuator Control (TAC) Module
(7)Engine Oil Pressure (EOP) Sensor
(8)Valve Lifter Oil Manifold (VLOM) Assembly
(9)Engine Coolant Heater
(10)Knock Sensor (KS) 1
Figure 5:

Engine Components (LS4) 3 of 3
Object Number: 1907773 Size: LF
(1)Fuel Injector 7
(2)Fuel Injector 5
(3)Fuel Injector 3
(4)Fuel Injector 1
(5)Fuel Injector 2
(6)Fuel Injector 4
(7)Fuel Injector 6
(8)Fuel Injector 8