He decided to replace this with a modern mass air flow (MAF) sensor instead, and documented the process online.

A device in the throttle body, the mass airflow, or MAF, sensor helps the engine computer determine the proper air-fuel mixture by measuring the mass of the air flowing past it. Because a precise ...

GM has issued a recall for certain units of the Chevy Low Cab Forward 3500 and 4500 models due to an issue with the mass air flow (MAF) sensor.

The Modified Mass Air Flow Sensor is an excellent changeover to any TPIsystem. The Modified unit allows more air to flow through the sensorinto the engine.