Standard Ignition AS339 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS339 Manifold Absolute Pressure Sensor

The Standard Ignition AS339 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in Ford Escape, Mazda Tribute, and Mercury Mariner vehicles. This sensor features a male plug-in connector and a hose barb vacuum fitting, ensuring reliable connection and accurate pressure readings.

• Connector Gender: Male
• Connector Quantity: 1
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Pin
• Vacuum Fitting Type: Hose barb

Detailed Product Description

The AS339 MAP sensor from Standard Ignition is engineered to monitor the manifold absolute pressure in the intake manifold of compatible vehicles. It uses a male plug-in connector with three male pin terminals, providing a secure electrical connection for accurate sensor data transmission. The hose barb vacuum fitting type allows for straightforward attachment to the vacuum line, maintaining proper pressure measurement. This sensor is specifically compatible with Ford Escape, Mazda Tribute, and Mercury Mariner models, ensuring proper fit and function.

Common Applications and Issues Addressed

• Helps regulate air-fuel mixture for optimal engine performance
• Prevents rough idling and engine stalling caused by faulty pressure readings
• Reduces emissions by providing accurate data to the engine control unit
• Addresses poor fuel economy related to incorrect manifold pressure sensing
• Resolves check engine light triggers linked to MAP sensor faults

Installation Notes and Tips

• Ensure the male plug-in connector is fully seated to avoid electrical issues
• Verify the hose barb vacuum fitting is securely connected to prevent vacuum leaks
• Disconnect the battery before installation to prevent electrical shorts
• Consult vehicle service manual for sensor location and removal procedures
• Check for any vacuum line damage or wear during installation

Quality Assurance and Warranty

Standard Ignition manufactures the AS339 MAP sensor to meet or exceed OEM specifications for durability and performance. Each unit undergoes rigorous testing to ensure reliable operation in Ford Escape, Mazda Tribute, and Mercury Mariner vehicles. The product is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship under normal use.