Standard Ignition AC293 Idle Air Control Valve

Idle Air Control Valve for Nissan and Infiniti

Standard Ignition AC293 is an idle air control valve for select Nissan Pathfinder and INFINITI QX4 applications. It is built for vehicles that need stable idle control through the engine management system, with a 2 + 2 terminal layout and one hose connector.

Key Features

• Idle air control valve for fuel injection system service
• 2 + 2 terminal quantity for the specified electrical connection
• One hose connector for the air bypass circuit
• No gaskets included
• No hardware included
• Standard Ignition AC293 replacement part

Detailed Description

Standard Ignition AC293 is a direct-fit idle air control valve for 1996-1998 Nissan Pathfinder, 1997-1998 INFINITI QX4, and 1999 INFINITI QX4 built to 12/98. This component regulates bypass air at idle so the engine control system can maintain a steady idle speed under changing load conditions. For buyers searching for a Nissan Pathfinder idle air control valve or an INFINITI QX4 idle air control valve, AC293 matches the listed applications and connector configuration.

This part cross-references Gates 22979 for the same application. Standard Ignition AC293 also aligns with common interchange references used in idle air control valve replacement searches.

What It Helps Address

• Unstable or fluctuating idle speed
• Stalling when coming to a stop
• Idle speed that is too high or too low
• Idle quality changes when accessories place load on the engine
• Driveability complaints tied to idle air bypass control

Installation Notes and Tips

Verify the connector style, hose connection, and vehicle build date before installation. The listed fitment includes 1999 INFINITI QX4 through 12/98, so confirm the production date on the vehicle tag before ordering. Because gaskets and hardware are not included, inspect the existing sealing components and mounting parts during service. Clean the mating surfaces and check for vacuum leaks or carbon buildup in the idle air passage before final assembly.

Quality Assurance

Standard Ignition AC293 is cataloged for the specified Nissan Pathfinder and INFINITI QX4 fitments and is identified by established interchange references for parts lookup and replacement matching.