lAC Idle Air Control

120 air control valve

air control valve

air control valve group

Air Valve Control

auxiliary air control valve

numerical control air valve

retarder air control valve

secondary air control valve

four valve control valve group

retarder control valve control

stick control valve control section

swing control valve control

idle air bleed opening

Idle control

Idle Control Strategy

Idle Control System

idle valve

isochronous high idle control