Air Flow Meter/Sensor: Service and Repair

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

REMOVAL PROCEDURE




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




2. Remove the air cleaner outlet duct.




3. Remove the MAF/IAT sensor screws.
4. Carefully remove the MAF/IAT sensor from the air cleaner housing cover.

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.

5. Discard the MAF/IAT sensor gasket.

INSTALLATION PROCEDURE




1. Install a NEW MAF/IAT sensor gasket.

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.

2. Carefully install the MAF/IAT sensor into the air cleaner housing cover.
3. Install the MAF/IAT sensor screws.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the screws to 4 N.m (35 lb in).




4. Install the air cleaner outlet duct.




5. Reconnect the MAF/IAT sensor electrical connector.