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

Mechanical Specifications

Idle Speed Specifications:

Engines w/DIS: Radiator fan (and all other electrical items) must not run while adjusting idle speed. Disconnect harness plugs from the idle stabilizer and connect them together.

Engines w/o DIS: disconnect PCV valve hose from valve cover and disconnect plug at green oxygen sensor wire. Start engine and check idle speed.