Standard Ignition AC630 Idle Air Control Valve

Standard Ignition AC630 Idle Air Control Valve

Standard Ignition AC630 is an idle air control valve for air and fuel delivery systems. It uses a female oval connector with 4 male blade terminals and includes a gasket for service replacement on the vehicle.

Key Features

• Idle air control valve for fuel injection system service
• Female oval connector with 4 male blade terminals
• Gasket included for sealing at installation
• Air control valve type: automatic
• Standard Ignition AC630 replacement part number

Product Details

This idle air control valve helps regulate bypass air at the throttle body so the engine can maintain a stable idle under changing load conditions. Standard Ignition AC630 is a direct-fit service part for applications that use this connector style and terminal layout. This part cross-references 2-31245 and 40480802 for the same application. For buyers searching Standard Ignition AC630, idle air control valve replacement, or fuel injection idle control service for a Honda Civic, this part provides the specified connector and gasket configuration.

Common Issues It May Address

• Unstable or fluctuating idle speed
• Stalling when coming to a stop
• Idle speed that is too high or too low
• Idle quality problems after throttle body service
• Air bypass control faults in the fuel injection system

Installation Notes and Tips

Verify connector shape, terminal count, and gasket seating before installation. Clean the mounting surface and inspect the throttle body passage for carbon buildup before fitting the valve. Confirm vehicle application by part number and connector match for Honda Civic idle air control valve service, and compare the removed unit to Standard Ignition AC630 before final assembly.

Quality Assurance

Standard Ignition supplies replacement electrical and engine management components for service applications. AC630 is built to match the listed connector and terminal specifications for accurate part selection.