Idle Air Control (IAC) Valve
The IAC valve controls opening of the bypass air passage (i.e., bypass air flow). The opening increases and decreases according to the electric current flow to the IAC valve which is controlled by ECM.
The IAC valve controls opening of the bypass air passage (i.e., bypass air flow). The opening increases and decreases according to the electric current flow to the IAC valve which is controlled by ECM.