Standard Ignition AC555 Idle Air Control Valve

Overview of Standard Ignition Idle Air Control Valve AC555

The Standard Ignition Idle Air Control Valve AC555 is designed to regulate the engine's idle speed by controlling airflow. This component is compatible with various Lexus models, including the GS300, GS400, GS430, IS300, LS400, SC300, and SC400, ensuring precise idle control for optimal engine performance.

• Connector Gender: Female
• Connector Quantity: 1
• Terminal Gender: Male
• Terminal Quantity: 4
• Terminal Type: Blade

Technical Details and Attributes

This idle air control valve features a female connector with a single connection point, facilitating straightforward integration into the vehicle's wiring harness. It includes four male blade terminals, which provide secure and reliable electrical contact. The blade terminal design supports durability and consistent performance under various operating conditions. These specifications make the AC555 suitable for the fuel injection system and related components in Lexus vehicles.

Compatible Lexus Models and Applications

The Standard Ignition AC555 Idle Air Control Valve is compatible with multiple Lexus models, including the GS300, GS400, GS430, IS300, LS400, SC300, and SC400. This part is specifically engineered to meet the idle air control requirements of these vehicles, ensuring proper engine idle speed regulation and smooth operation.

Common Issues Addressed by the Idle Air Control Valve

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

Installation Notes and Tips

When installing the Standard Ignition AC555 Idle Air Control Valve, ensure the female connector aligns correctly with the vehicle’s wiring harness. Verify that the four male blade terminals are securely connected to prevent electrical issues. It is recommended to clean the throttle body and surrounding components before installation to avoid contamination. Follow the vehicle manufacturer’s torque specifications and procedures for removal and installation to maintain system integrity.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The AC555 Idle Air Control Valve undergoes rigorous quality control testing to ensure consistent operation. This part is backed by Standard Ignition’s warranty coverage, which protects against defects in materials and workmanship under normal use conditions.