Q: How to service the Mass Air Flow Sensor on Toyota 4Runner?
A: The Mass Air Flow Sensor service procedure starts with cleaning the air cleaner case once you disconnect its hose and Mass Air Flow Sensor connector while unbolting the 3 supporting hardware. The Mass Air Flow Sensor removal procedure begins with unscrewing its two securing components followed by removing the O-ring from the Mass Air Flow Sensor. Discounting the O-ring put it on the Mass Air Flow Sensor then fasten it by screwing in the 2 mounting screws. The air cleaner case must be installed with its 3 bolts followed by reconnection of the Mass Air Flow Sensor connector and completion with attaching the air cleaner hose.
Q: How to Service and Repair the Mass Air Flow Sensor on Toyota Tacoma?
A: The service procedure starts by removing the Mass Air Flow Sensor with air cleaner cap which requires disconnecting the Mass Air Flow Sensor connector and wire clamp followed by loosening the air cleaner hose clamp and disconnecting the air hose from the air cleaner cap and then removing the 4 clips to take out both devices. Starting by breaking open the 4 nuts allows you to remove the Mass Air Flow Sensor with its gasket that was attached to the air cleaner cap. Install new gaskets on the air cleaner cap before attaching the Mass Air Flow Sensor through four nuts while tightening them to 8.5 N.m (85 kgf.cm, 74 in.lbf). Placement of the Mass Air Flow Sensor intersects with the air cleaner cap.