Standard Ignition AC404 Idle Air Control Valve

Reliable Idle Air Control Valve for Toyota 4Runner, T100, and Tacoma

The Standard Ignition AC404 Idle Air Control Valve is designed to maintain optimal engine idle speed for select Toyota models. This component ensures smooth engine performance by regulating airflow during idle conditions, specifically compatible with Toyota 4Runner, T100, and Tacoma vehicles.

Key Features of Standard Ignition AC404 Idle Air Control Valve

• Compatible with Toyota 4Runner, T100, and Tacoma models
• Precise idle speed regulation for stable engine operation
• Direct replacement part number AC404 for easy identification
• Durable construction to withstand engine environment
• Designed to integrate seamlessly with existing fuel injection systems

Detailed Description of the AC404 Idle Air Control Valve

The Standard Ignition AC404 Idle Air Control Valve plays a critical role in managing the engine’s idle speed by controlling the amount of air bypassing the throttle plate. This valve adjusts airflow based on engine load and temperature, helping to prevent stalling and rough idling. Specifically engineered for Toyota 4Runner, T100, and Tacoma models, the AC404 part number ensures compatibility and reliable performance within the fuel injection system. Its robust design supports consistent operation under varying driving conditions, contributing to overall engine efficiency and drivability.

Common Issues Addressed by the Idle Air Control Valve

• Irregular or fluctuating engine idle speed
• Engine stalling during idle or low-speed operation
• Rough or unstable idling conditions
• Difficulty starting the engine in cold conditions
• Check engine light related to idle control system faults

Installation Notes and Tips for AC404

• Ensure vehicle compatibility with Toyota 4Runner, T100, or Tacoma before installation
• Disconnect the battery prior to removal to prevent electrical issues
• Clean the mounting surface and throttle body area before installing the new valve
• Follow manufacturer torque specifications for mounting bolts
• After installation, allow the engine to idle for a few minutes to recalibrate the valve

Quality Assurance and Warranty Information

Standard Ignition parts, including the AC404 Idle Air Control Valve, are manufactured to meet or exceed OEM specifications. This part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your replacement part.