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 MANUALSCHEVROLET2009IMPALA V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONAIR FLOW METER/SENSORLOCATIONS
2009 Chevrolet Impala V6-3.5L
Air Flow Meter/Sensor: Locations
2009 Chevrolet Impala V6-3.5LSECTION Locations
Powertrain Component Views
Left Front of the Engine Compartment
1 - Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
2 - Brake Booster Vacuum Sensor (LZG-3.9L Flex Fuel/LS4)
3 - Windshield Wiper Motor
4 - Electronic Brake Control Module (EBCM)
5 - A/C Refrigerant Pressure Sensor
6 - Transmission Control Module (TCM)
7 - Engine Control Module (ECM)
8 - G101
9 - Inflatable Restraint Front End Sensor - Left
Near the Air Cleaner Duct (LZE-3.5L Flex Fuel/LZ4-3.5L Gas/LZG-3.9L Flex Fuel)
1 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2 - Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
3 - Air Cleaner Housing
Left Top Side of Engine
1 - Throttle Body
2 - Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
3 - Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor Connector
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.