Standard Ignition AC239 Idle Air Control Valve

Reliable Idle Air Control Valve for Ford, Mazda, and Mercury Vehicles

The Standard Ignition AC239 Idle Air Control Valve is designed to maintain optimal engine idle speed by regulating airflow. Compatible with select Ford, Mazda, and Mercury models, this component ensures smooth engine performance and efficient fuel delivery.

• Terminal Quantity: 2 for secure electrical connection
• Compatible with Ford B2300, B3000, Ranger
• Compatible with Mazda B2300, B3000
• Compatible with Mercury Sable and Ford Taurus
• Part Number: AC239 for easy identification and replacement

Product Details and Specifications

The Standard Ignition AC239 Idle Air Control Valve features a two-terminal design that provides reliable electrical connectivity for precise control of the engine's idle speed. This valve is part of the fuel injection system and related components category, playing a critical role in managing the amount of air bypassing the throttle plate. Proper idle air control helps prevent stalling, rough idling, and poor fuel economy. The AC239 is engineered to meet OEM specifications, ensuring compatibility and performance with the specified Ford, Mazda, and Mercury models.

Applications and Common Issues Addressed

• Maintains consistent idle speed in Ford Ranger and Mazda B3000 trucks
• Prevents engine stalling and rough idle in Mercury Sable and Ford Taurus
• Improves throttle response and fuel efficiency
• Resolves idle surging and fluctuating RPM problems
• Supports smooth engine operation during cold starts

Installation Notes and Tips

When installing the Standard Ignition AC239 Idle Air Control Valve, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to avoid electrical shorts. Carefully unplug the two-terminal connector and remove the old valve. Clean the mounting surface before installing the new valve to ensure a proper seal. After installation, reset the vehicle’s computer if necessary and verify idle speed stability during engine warm-up.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards. The AC239 Idle Air Control Valve undergoes rigorous quality control to ensure durability and reliable performance. This part is backed by a limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.