Standard Ignition AC278 Idle Air Control Valve

Reliable Idle Air Control Valve for Nissan and Infiniti Vehicles

The Standard Ignition AC278 Idle Air Control Valve is designed to maintain optimal engine idle speed for select Nissan and Infiniti models. This component ensures smooth engine performance and helps regulate airflow during idle conditions.

Key Features of Standard Ignition AC278 Idle Air Control Valve

• Compatible with Nissan Maxima, Infiniti I30, and Infiniti I35 models
• Precisely controls idle airflow to maintain stable engine RPM
• Direct replacement part number AC278 for easy identification
• Manufactured to meet OEM specifications for reliable fit and function
• Durable construction to withstand engine environment stresses

Detailed Description of the AC278 Idle Air Control Valve

The Standard Ignition AC278 Idle Air Control Valve plays a critical role in managing the engine's idle speed by regulating the amount of air bypassing the throttle plate. This valve is engineered to fit Nissan Maxima and Infiniti I30 and I35 models, ensuring proper integration with the vehicle's fuel injection system. By maintaining consistent idle airflow, the AC278 helps prevent stalling, rough idling, and uneven engine performance. This part is a direct replacement designed to meet or exceed original equipment standards, providing dependable operation and longevity.

Common Applications and Issues Addressed

• Resolves rough or fluctuating idle speeds in Nissan Maxima and Infiniti I30/I35
• Prevents engine stalling during idle conditions
• Corrects idle surging or engine hesitation at low RPM
• Improves overall engine responsiveness and smoothness
• Addresses check engine light codes related to idle air control malfunction

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid injury
• Disconnect the battery to prevent electrical shorts during replacement
• Clean the throttle body area to remove carbon buildup before installing the new valve
• Verify electrical connector is secure and free of corrosion
• After installation, allow the engine to idle for a few minutes to let the ECU recalibrate

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet strict quality standards and are tested for durability and performance. The AC278 Idle Air Control Valve is backed by a limited warranty against defects in material and workmanship, providing confidence in its reliability for Nissan Maxima and Infiniti I30 and I35 applications.