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.
2008 Chevrolet Malibu Classic V6-3.5LFACTORY OEM SERVICE PROCEDURE
Ignition Control Module: Locations
Powertrain Component Views
Rear View of Engine Components (LZ4)
1 - MAP Sensor
2 - Ignition Control Module (ICM)
3 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4 - Knock Sensor 1
5 - Engine Coolant Temperature (ECT) Sensor
6 - Crankshaft Position (CKP) Sensor
7 - Vehicle Speed Sensor (VSS)
8 - Engine Oil Level Sensor
9 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
10 - Park/Neutral Position (PNP) Switch
Rear of Engine (LZ4)
1 - Throttle Actuator Control (TAC) Module
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Ignition Control Module (ICM)
4 - Knock Sensor (KS) 2
5 - Engine Block Heater
6 - Engine Oil Level Sensor
7 - Crankshaft Position (CKP) Sensor
8 - Engine Coolant Temperature (ECT) Sensor
Top of the Engine Components 1 of 2 (LZ4)
1 - Ignition Control Module (ICM)
2 - Fuel Injector 3
3 - Fuel Injector 5
4 - Fuel Injector 4
5 - Fuel Injector 6
6 - Fuel Injector 2
7 - Camshaft Position (CMP) Sensor
8 - Generator
9 - Fuel Injector 1
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.