Standard AC15T Idle Air Control Valve

Reliable Idle Air Control Valve for Select GM and Isuzu Vehicles

The Standard AC15T Idle Air Control Valve is designed to regulate engine idle speed by controlling airflow in fuel-injected engines. Compatible with a range of Buick, Chevrolet, Geo, GMC, Isuzu, Oldsmobile, and Pontiac models, this valve ensures smooth idling and improved engine performance.

• Idle Air Control Valve with 4 electrical terminals for precise airflow regulation
• Compatible with multiple GM and Isuzu vehicles including Chevy S10, Pontiac Grand Am, and Buick Century
• Part number AC15T for easy identification and replacement
• Hardware not included, designed for direct replacement of original components

Product Details and Specifications

The AC15T Idle Air Control Valve from Standard is engineered to maintain consistent engine idle speed by adjusting the amount of air bypassing the throttle plate. Featuring four electrical terminals, this valve interfaces with the vehicle’s engine control unit to provide accurate idle control. It is suitable for use in various fuel injection systems across several makes and models such as the Chevrolet Astro, Pontiac Grand Prix, Buick LeMans, and Isuzu Stylus. This part is a direct replacement component, designed to meet or exceed OEM specifications for fit and function.

Compatible Vehicles and Applications

This idle air control valve is compatible with the following makes and models:

• Buick: Century, LeMans, Skylark
• Chevrolet: Astro, Aveo, Lumina, S10, S10 Blazer, Sonoma
• Geo: Prizm, Storm, Tracker
• GMC: S15, S15 Jimmy, Safari
• Isuzu: Stylus
• Oldsmobile: Calais, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Cutlass Supreme, Celebrity, Achieva, 6000
• Pontiac: Fiero, Grand Am, Grand Prix, Impulse, Tempest

Common Issues Addressed by the AC15T Idle Air Control Valve

• Irregular or fluctuating engine idle speed
• Engine stalling at idle or during deceleration
• Difficulty starting the engine or rough idle conditions
• Check engine light triggered by idle control faults
• Reduced fuel efficiency due to improper air-fuel mixture at idle

Installation Notes and Tips

When replacing the AC15T Idle Air Control Valve, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the four-terminal connector and remove the valve from the throttle body. Clean the mounting surface before installing the new valve to ensure a proper seal. Reconnect the electrical connector securely and verify proper operation after installation.

Quality Assurance and Warranty

The Standard AC15T Idle Air Control Valve is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Standard parts typically undergo rigorous testing to ensure reliability and compatibility with the listed vehicle applications.