Air Flow Meter/Sensor: Service and Repair

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Mass Air Flow (MAF) Sensor









Removal and Installation

1. Remove the Air Cleaner (ACL).

2. NOTICE: Do not tamper with the Mass Air Flow (MAF) sensing elements located in the airflow meter. Tampering can result in unit failure.

Open the ACL (Air Cleaner).
- Release the air box clamp.

- Separate the inlet side from the outlet side of the ACL (Air Cleaner).






3. Release the latches and remove the Mass Air Flow (MAF) assembly.





4. NOTE: The red clip must be pulled out before disconnecting the electrical connector.

Disconnect the MAF (Mass Air Flow) sensor electrical connector.






5. Remove the 2 screws and MAF (Mass Air Flow) sensor.
- To install, tighten to 2 Nm (18 lb-in).


6. NOTE: The grommet used to seal the ACL (Air Cleaner) housing at the extension harness must be fully seated. Failure to do so will result in unmetered air entering the engine.

NOTE: Use the alignment notch to correctly align the inlet side and the outlet side of the ACL (Air Cleaner).
To install, reverse the removal procedure.

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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.