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 MANUALSCHEVROLET2008HHR L4-2.2LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONAIR FLOW METER/SENSORLOCATIONS
2008 Chevrolet HHR L4-2.2L
Air Flow Meter/Sensor: Locations
2008 Chevrolet HHR L4-2.2LSECTION Locations
Engine - Rear (LNF)
1 - Engine Coolant Temperature (ECT) Sensor
2 - Camshaft Position (CMP) Sensor Exhaust
3 - Mass Air Flow (MAF)/ Intake Air Temperature (IAT) Sensor
4 - Turbocharger Wastegate Solenoid (LNF)
5 - Turbocharger
6 - Heated Oxygen Sensor (HO2S) 2
7 - Heated Oxygen Sensor (HO2S) 1
Left Side View of Engine
1 - MAF/IAT Sensor
2 - Ignition Coil Module 1
3 - Ignition Coil Module 2
4 - Ignition Coil Module 3
5 - Ignition Coil Module 4
6 - Fuel Rail
7 - Fuel Injector 1
8 - Fuel Injector 2
9 - Fuel Injector 3
10 - Fuel Injector 4
11 - Throttle Actuator Control (TAC) Module
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
1 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
RENDER: 1.0x
NO RELATED
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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.