Standard AC59T Idle Air Control Valve

Idle Air Control Valve for Ford Fuel Injection

The Standard AC59T idle air control valve is built for Ford fuel injection systems that need stable idle control and dependable airflow management. It uses a 2-terminal blade connection and is made from quality components for consistent operation in daily driving conditions.

Compatible with Ford F-150, F-250, F-350, Bronco, and Econoline applications from 1994-1997, this AC59T replacement supports smooth idle performance on trucks and vans with the correct fuel injection setup.

Key Features

• Idle air control valve for fuel injection system service
• 2 terminal quantity with blade-style terminals
• Built from quality components for dependability
• Direct replacement style for select Ford applications
• Standard AC59T part number for catalog matching

Detailed Description

The Standard AC59T is an idle air control valve used in Ford air and fuel delivery systems to regulate bypass air at idle. Proper idle air control helps the engine maintain a steady idle speed when loads change, such as during warm-up, accessory use, or stop-and-go driving. This part is listed for 1994-1997 Ford F-250, 1994-1997 Ford F-350, 1994-1996 Ford Bronco, 1994-1996 Ford E-150 Econoline, 1994-1996 Ford E-150 Econoline Club Wagon, 1994-1996 Ford E-250 Econoline, 1994-1996 Ford E-350 Econoline, 1994-1996 Ford E-350 Econoline Club Wagon, 1994-1996 Ford F-150, and 1997 Ford F-250 HD. It also fits 1995 Ford F-350 with Mexico emissions and auxiliary air valve applications where specified.

This part cross-references Dorman - HELP 31005 for the same application.

Common Issues It May Address

• Unstable or fluctuating idle speed
• Engine stalling when coming to a stop
• Idle speed that is too high or too low
• Poor idle control during cold starts or warm-up
• Air bypass control faults in Ford fuel injection systems

Installation Notes and Tips

Verify the connector style before installation; this unit uses 2 blade terminals. Confirm the vehicle application against the listed Ford F-150, F-250, F-350, Bronco, and Econoline fitments, including any auxiliary air valve or Mexico emissions notes. Clean the mounting surface and inspect the related intake and electrical connections before replacing the valve.

Quality Assurance

Standard manufactures this AC59T idle air control valve with quality components for dependable service. The part number AC59T is also referenced as Standard Ignition AC59 and Walker Products 215-2021 for catalog comparison.