Standard Ignition AS455 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS455 Manifold Absolute Pressure Sensor

The Standard Ignition AS455 is a reliable manifold absolute pressure sensor designed specifically for Subaru Forester and Subaru Impreza models. This sensor plays a critical role in monitoring engine performance by measuring the pressure within the intake manifold.

• Compatible with Subaru Forester and Subaru Impreza vehicles
• Accurate manifold pressure readings for optimal engine management
• Direct replacement part number AS455 for easy identification
• Ensures proper air-fuel mixture for efficient combustion
• Durable construction for consistent performance

Detailed Product Description

The Standard Ignition AS455 manifold absolute pressure sensor is engineered to provide precise pressure data to the engine control unit (ECU). This data is essential for adjusting fuel injection and ignition timing, which helps maintain engine efficiency and emissions compliance. Designed to meet OEM specifications, the AS455 sensor ensures compatibility and reliable operation in Subaru Forester and Impreza models. Its robust design withstands the demanding conditions of the engine bay, contributing to long-term durability and consistent sensor output.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine stalling caused by incorrect manifold pressure readings
• Improves fuel economy by providing accurate data for air-fuel mixture adjustments
• Reduces engine hesitation and poor acceleration linked to faulty MAP sensors
• Assists in maintaining proper emissions levels by supporting ECU adjustments
• Prevents check engine light triggers related to manifold pressure sensor faults

Installation Notes and Tips

• Ensure the vehicle is turned off and cooled before installation
• Locate the existing manifold absolute pressure sensor on the intake manifold
• Disconnect the electrical connector carefully to avoid damage
• Remove the old sensor and replace it with the Standard Ignition AS455 sensor
• Reconnect the electrical connector securely and verify sensor operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring dependable performance and fitment. The AS455 manifold absolute pressure sensor undergoes rigorous quality control testing to guarantee accuracy and durability. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship under normal use.