Air Flow Meter/Sensor: Service and Repair

MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the electrical connector (1) from the mass air flow (MAF)/intake air temperature (IAT) sensor (2).




2. Disconnect the air intake duct hose from MAF/IAT sensor.




3. Remove the 2 screws securing the MAF/IAT sensor to the air cleaner assembly.

NOTE:
- Handle the MAF sensor carefully.
- Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
- Do not damage the screen located on the air inlet end of the MAF.
- Do not touch the sensing elements.
- Do not allow solvents and lubricants to come in contact with the sensing elements.
- Use a small amount of a soap based solution in order to aid in the installation.

1. Discard the MAF sensor seal.

INSTALLATION PROCEDURE




1. Install a NAW MAF sensor seal.
2. Insert the MAF/IAT sensor into the air cleaner assembly with the connector terminal orientated upward.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the 2 screws securing the MAF/IAT sensor to the air cleaner assembly.

Tighten
Tighten the MAF/IAT sensor screws to 2.25 N.m (20 lb in).




4. Connect the air intake duct hose to MAF/IAT sensor.




5. Connect the electrical connector (1) to the MAF/IAT sensor (2).