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.
2010 Chevrolet Cobalt L4-2.2LFACTORY OEM SERVICE PROCEDURE
Air Flow Meter/Sensor: Service and Repair
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Removal Procedure
1. Disconnect the engine harness electrical connector from the mass air flow (MAF)/intake air temperature (IAT) sensor.
2. Remove the MAF/IAT sensor screws.
3. Remove the MAF/IAT sensor.
Installation Procedure
1. Install the MAF/IAT sensor.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the MAF/IAT sensor screws and tighten to 0.6 Nm (5 lb in).
3. Connect the engine harness electrical connector to the MAF/IAT 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.