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

Throttle Body

The minimum idle speed air rate is set at the factory with a stop screw and is not adjustable. If the idle speed is out of spec begin diagnosis at Powertrain Management / System Diagnosis / Flow of Diagnosis.