Standard Ignition AS685 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS685 Manifold Absolute Pressure Sensor

The Standard Ignition AS685 Manifold Absolute Pressure Sensor is designed for precise monitoring of manifold pressure in Subaru Crosstrek and Impreza models. This sensor ensures accurate engine performance data by providing reliable pressure readings to the vehicle's engine control unit.

• Terminal Quantity: 3 with male blade terminals
• Connector: Female, plug-in type with one round and rectangular shape
• Color/Finish: Black
• Includes one vacuum port and one port for manifold pressure measurement
• Comes with an O-ring for secure sealing
• No hardware or mounting brackets included
• Wiring harness not included

Detailed Product Description

The AS685 sensor from Standard Ignition is engineered to meet the specific requirements of Subaru Crosstrek and Impreza vehicles. Featuring a three-terminal design with male blade terminals and a female plug-in connector, this sensor facilitates straightforward installation and reliable electrical connection. The connector combines round and rectangular shapes to ensure a secure fit. Finished in black, the sensor includes a vacuum port and a single manifold pressure port, essential for accurate pressure measurement within the intake manifold. An O-ring is included to maintain a tight seal and prevent leaks, although mounting hardware and wiring harnesses are not part of the package.

Common Applications and Issues Addressed

• Helps resolve engine performance problems related to incorrect manifold pressure readings
• Addresses rough idling and stalling caused by faulty MAP sensor signals
• Improves fuel efficiency by providing accurate pressure data to the ECU
• Reduces emissions by ensuring proper air-fuel mixture adjustments
• Prevents check engine light triggers related to manifold pressure sensor faults

Installation Notes and Tips

When installing the Standard Ignition AS685 sensor, ensure the O-ring is properly seated to avoid vacuum leaks. The sensor plugs directly into the vehicle’s wiring harness using the female connector, which matches the factory plug shape. Since no mounting hardware is included, reuse the original bracket or mounting points. Verify the terminal connections are secure and free of corrosion before installation. It is recommended to disconnect the battery before replacing the sensor to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The AS685 Manifold Absolute Pressure Sensor undergoes rigorous testing to ensure durability and reliable performance in Subaru Crosstrek and Impreza vehicles. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties covering defects in material and workmanship.