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.
2012 Chevrolet Cruze L4-1.8LFACTORY OEM SERVICE PROCEDURE
Engine Control Module: Locations
Powertrain Component Views
Top of Engine Components (LUW)
1 - K20 Engine Control Module
2 - B52A Heated Oxygen Sensor 1
3 - T8 Ignition Coil
4 - Q6E Camshaft Position Actuator Solenoid Valve - Exhaust
5 - B75B Mass Air Flow/Intake Air Temperature Sensor
6 - Q6F Camshaft Position Actuator Solenoid Valve - Intake
7 - Q38 Throttle Body
8 - Q17A Fuel Injector 1
9 - Q12 Evaporative Emission Purge Solenoid Valve
10 - Q17B Fuel Injector 2
11 - B74 Manifold Absolute Pressure Sensor
12 - Q17C Fuel Injector 3
13 - Q17D Fuel Injector 4
14 - B26 Crankshaft Position Sensor
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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