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.
2007 Chevrolet HHR L4-2.2LFACTORY OEM SERVICE PROCEDURE
Electronic Throttle Control Module: Locations
Engine Controls Component Views
Front of the Engine (L61)
1 - Throttle Actuator Control (TAC) Module
2 - Evaporative Emission (EVAP) Canister Purge Solenoid
3 - Engine Oil Pressure (EOP) Switch
4 - Crankshaft Position (CKP) Sensor
5 - Knock Sensor (KS)
6 - Starter
7 - Starter Solenoid
Left Side View of Engine
1 - Ignition Coil Module 1
2 - Ignition Coil Module 2
3 - Ignition Coil Module 3
4 - Ignition Coil Module 4
5 - Fuel Rail
6 - Fuel Injector 1
7 - Fuel Injector 2
8 - Fuel Injector 3
9 - Fuel Injector 4
10 - Throttle Actuator Control (TAC) Module
Factory Service Tools
Use the Manual With the Right Hardware
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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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