Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
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MAF Sensor

The scan tool range is 0-655 grams per second (g/s). This parameter indicates the volume of air entering the engine.

The scan tool range is 0-65535 Hz. This parameter indicates the MAF sensor frequency based on the volume of air entering the engine. The PCM converts the signal frequency to grams per second (g/s).