Standard Ignition AS338 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS338 Manifold Absolute Pressure Sensor

The Standard Ignition AS338 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Ford, Lincoln, and Mercury vehicles. This sensor plays a critical role in monitoring manifold pressure to optimize fuel delivery and engine performance.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Blade

Detailed Product Description and Attributes

The AS338 MAP sensor from Standard Ignition features a female plug-in connector with a single connection point, ensuring a secure and reliable electrical interface. It includes three male blade terminals, which are designed for efficient signal transmission and durability under engine bay conditions. This configuration supports accurate manifold pressure readings, which are essential for the engine control unit (ECU) to adjust air-fuel mixture and ignition timing.

Compatible with Ford Escape, Fusion, Lincoln Mariner, Mercury Milan, and Zephyr models, this sensor meets the specific electrical and mechanical requirements of these vehicles. The plug-in connector type simplifies installation and replacement, reducing downtime during maintenance.

Common Applications and Problem Resolution

• Helps resolve engine stalling or rough idling caused by incorrect manifold pressure readings
• Addresses poor fuel economy due to inaccurate air-fuel mixture adjustments
• Corrects issues with engine hesitation or lack of power during acceleration
• Prevents check engine light triggers related to MAP sensor faults
• Supports emission control by providing accurate sensor data to the ECU

Installation Notes and Tips

When installing the Standard Ignition AS338 MAP sensor, ensure the female plug-in connector is securely attached to the vehicle’s wiring harness. Verify that the three male blade terminals are free of corrosion and properly seated to maintain signal integrity. It is recommended to disconnect the battery before installation to avoid electrical shorts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty Information

Standard Ignition manufactures the AS338 MAP sensor to meet OEM specifications for fit, form, and function. This part undergoes rigorous testing to ensure reliability and durability in emission control systems. The product is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.