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 LS, Automatic TransFACTORY OEM SERVICE PROCEDURE

Mass Airflow Sensor Replacement

Fig 1: Mass Airflow Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout

Component Name

Mass Airflow Sensor Bolts (Qty 2)

CAUTION:

Refer to Fastener Caution .

Mass Airflow Sensor

Procedure

Disconnect the electrical connector.
After replacement of mass air flow sensor, use a scan tool to run the learn functions. Refer to Engine Control Module Programming and Setup .

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.