Idle Air Control Valve
Shop Cost
$200
DIY Parts
$30
You Save
$170
Tools Required (3)
Socket set
Screwdriver
Throttle body cleaner
Parts & Consumables
Idle air control valveGasket
Pro Tip Clean throttle body while IAC is removed. Disconnect battery 15 min after install.
🚗 Vehicle-Specific Notes
Honda
IACV on throttle body. 2 screws. Clean with throttle body cleaner before replacing.
Toyota
On throttle body. 2 screws + coolant lines (bypass). Plug coolant lines when removing.
Ford
Older models only (EFI). Newer use electronic throttle (no IAC). 2 bolts.
Nissan
Very common failure. On throttle body. FICD (fast idle) may also need cleaning.
Chevrolet
Older models with TBI/MPI. 4 Torx screws on LS-series throttle body.