Standard Ignition AS491 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS491 Manifold Absolute Pressure Sensor

The Standard Ignition AS491 Manifold Absolute Pressure Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with various Ford and Lincoln models, this sensor features a female plug-in connector and a male blade terminal for reliable electrical connections.

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

Detailed Product Description

This Manifold Absolute Pressure (MAP) Sensor from Standard Ignition, part number AS491, is engineered to measure the pressure inside the intake manifold accurately. It features a single female plug-in connector and a male blade terminal, ensuring a secure and precise electrical connection. The sensor is compatible with a range of Ford and Lincoln vehicles, including the EcoSport, Edge, Escape, Explorer, Fiesta, Focus, Fusion, MKC, MKT, MKZ, Mustang, Taurus, and Transit Connect models. The plug-in connector design simplifies installation and replacement, while the blade terminal provides a durable contact point for consistent signal transmission.

Compatible Vehicles and Applications

This MAP sensor is specifically designed for use in Ford and Lincoln vehicles, making it suitable for drivers seeking a direct replacement part. Compatible models include:

• Ford EcoSport
• Ford Edge
• Ford Escape
• Ford Explorer
• Ford Fiesta
• Ford Focus
• Ford Fusion
• Lincoln MKC
• Lincoln MKT
• Lincoln MKZ
• Ford Mustang
• Ford Taurus
• Ford Transit Connect

Common Issues Addressed by the AS491 MAP Sensor

• Engine stalling or rough idling
• Poor fuel economy due to incorrect air-fuel mixture
• Check Engine Light triggered by faulty manifold pressure readings
• Reduced engine power or hesitation during acceleration
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

When installing the Standard Ignition AS491 MAP sensor, ensure the vehicle is turned off and the battery is disconnected to prevent electrical shorts. The female plug-in connector should be securely attached to the sensor’s male blade terminal. Verify that the connector is free of corrosion or debris before installation. Proper alignment of the sensor in the intake manifold is critical for accurate pressure readings. Consult the vehicle’s service manual for torque specifications and sensor location details.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The AS491 MAP sensor undergoes rigorous testing to verify accuracy and electrical integrity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.