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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Engine LOAD

The scan tool displays 0-100 percent. The engine load is calculated by the PCM from engine speed and Mass Air Flow (MAF) sensor readings. Engine load should increase with an increase in RPM or air flow.