Standard AC158T Idle Air Control Valve

Idle Air Control Valve for Ford Applications

The Standard AC158T idle air control valve is built with quality components for dependable operation in fuel-injected Ford applications. It is a direct-fit replacement for vehicles that use a 2-terminal blade connection and need stable idle air management.

Compatible with select Ford Ranger, F-150, Explorer, Expedition, Taurus, E-250 Econoline, E-350 Econoline Club Wagon, Excursion, F-250, Lincoln Mark VIII, and Mercury Mountaineer and Sable applications, the Standard AC158T supports consistent idle control across a wide range of late-1990s and early-2000s vehicles.

Key Features

• Idle air control valve for fuel injection system service
• 2-terminal blade electrical connection
• Built from quality components for dependable operation
• OE-style replacement for select Ford, Lincoln, and Mercury vehicles
• Standard AC158T part number for easy identification

Detailed Description

The Standard AC158T is an idle air control valve used to regulate bypass air at idle on compatible Ford, Lincoln, and Mercury vehicles. By helping manage airflow when the throttle is closed, it supports smoother idle behavior in applications such as the 1997-2002 Ford F-150, 1998-2001 Ford Explorer, 1997-2001 Mercury Mountaineer, and 1997-1999 Ford Taurus. This part number, AC158T, is also referenced as Standard AC158.

This part cross-references Delphi CV10113 and Dorman - HELP 31012 for the same application.

What It Helps Address

• Unstable or fluctuating idle speed
• Stalling when coming to a stop
• Idle speed that is too high or too low
• Poor idle recovery after throttle release
• Driveability concerns related to idle air control

Installation Notes and Tips

Verify the 2-terminal blade connector style and confirm vehicle-specific fitment before installation. This idle air control valve is listed for multiple configurations, including Auxiliary Air Valve notes on select Ford Ranger, E-250 Econoline, E-350 Econoline Club Wagon, Excursion, Explorer, Taurus, Sable, and Mountaineer applications. Match the part to the exact year, make, and model shown in the fitment data for proper application.

Quality Assurance

Standard manufactures this AC158T idle air control valve using quality components to support dependable service in the intended applications.