Standard Ignition AC503 Idle Air Control Valve

Reliable Idle Air Control Valve for Ford E-Series and Expedition

The Standard Ignition AC503 Idle Air Control Valve is designed to regulate engine idle speed for select Ford vehicles. This part ensures smooth engine performance by controlling airflow during idle conditions, specifically compatible with Ford E-150, E-150 Club Wagon, E-250, Expedition, and F-250 models.

• Compatible with Ford E-150, E-150 Club Wagon, E-250, Expedition, and F-250
• Standard Ignition part number AC503
• Includes 2 electrical terminals for secure connection
• No gaskets or additional hardware included

Product Details and Attributes

The AC503 Idle Air Control Valve from Standard Ignition features two electrical terminals, providing a reliable interface for your vehicle’s fuel injection system. This valve is engineered to maintain proper idle speed by adjusting airflow, which is critical for engine stability and fuel efficiency. Note that this part does not include gaskets or mounting hardware, so ensure existing components are in good condition or replaced as needed during installation.

Compatible Ford Models and Applications

This idle air control valve is specifically compatible with several Ford models, including the E-150, E-150 Club Wagon, E-250, Expedition, and F-250. It is designed to integrate seamlessly with the fuel injection system of these vehicles, helping to maintain consistent idle speed and engine performance under various operating conditions.

Common Issues Addressed by the AC503 Idle Air Control Valve

• Irregular or fluctuating engine idle speed
• Engine stalling during idle or low-speed operation
• Difficulty starting the engine or rough idle
• Check engine light triggered by idle control faults
• Reduced fuel efficiency due to improper airflow regulation

Installation Notes and Tips

When installing the Standard Ignition AC503 Idle Air Control Valve, verify that the electrical terminals are clean and free of corrosion to ensure proper connectivity. Since this part does not include gaskets or mounting hardware, inspect existing seals and fasteners and replace them if necessary to prevent air leaks. Follow vehicle-specific service manual instructions for torque specifications and connector handling to avoid damage.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The AC503 Idle Air Control Valve undergoes rigorous quality control testing to maintain consistent standards. Please refer to Standard Ignition’s warranty policy for coverage details related to this part.