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

Check to see if these wires have 12 volts at the mass air flow sensor using a multimeter. This voltage will only be applied for approximately 5 to 30 seconds after the engine has been shut off ...

A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much ...

Usually, the mass air flow sensor is positioned between the intake manifold and the air filter. The primary function of this part is to measure the amount and density of air entering the engine.

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.