Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX V6-3.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULELOCATIONS
2008 Pontiac Grand Prix V6-3.8L
Ignition Control Module: Locations
2008 Pontiac Grand Prix V6-3.8LSECTION Locations
Engine Components (L32) Only
1 - Supercharger Boost Control Solenoid (L32)
2 - Barometric Pressure (BARO) Sensor (L32)
3 - Manifold Absolute Pressure (MAP) Sensor (L32)
Engine Components (L26 - 3.8L)
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
11 - Starter
12 - Engine Oil Level Switch
13 - Starter Solenoid
14 - Knock Sensor (KS) Bank 1
Engine Components (L26 - 3.8L)
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 Assembly
7 - Crankshaft Position (CKP) Sensor
8 - Camshaft Position (CMP) Sensor
9 - Engine Oil Pressure (EOP) Switch
10 - Heated Oxygen Sensor (HO2S) Sensor 1 (L26 - 3.8L)
11 - Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor Bank 2 (NU6)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.