Standard Ignition AS659 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS659 Manifold Absolute Pressure Sensor

The Standard Ignition AS659 Manifold Absolute Pressure Sensor is designed specifically for Subaru Outback models. This sensor plays a critical role in monitoring the intake manifold pressure to ensure optimal engine performance and emissions control.

• Connector Gender: Female
• Color/Finish: Black
• Connector Quantity: 1
• Connector Shape: Rectangular
• Connector Type: Plug in
• Hardware Included: No
• Mounting Brackets Included: No
• O-Rings Included: Yes
• Terminal Gender: Male
• Terminal Quantity: 4
• Terminal Type: Pin
• Vacuum Port Quantity: 1
• Wiring Harness Included: No

Detailed Product Description

The AS659 Manifold Absolute Pressure Sensor from Standard Ignition is engineered to provide accurate pressure readings within the intake manifold of Subaru Outback vehicles. Featuring a single female rectangular plug-in connector with four male pin terminals, this sensor ensures reliable electrical connections. The black finish offers durability and resistance to environmental factors. It includes an O-ring to maintain a proper seal and prevent vacuum leaks, although mounting brackets and hardware are not included. The sensor also has one vacuum port to measure manifold pressure effectively.

Compatible Vehicles and Applications

This sensor is compatible with Subaru Outback models requiring a precise manifold absolute pressure sensor for emission control and engine management systems. The part number AS659 ensures correct fitment and function for these vehicles.

• Helps regulate air-fuel mixture for efficient combustion
• Prevents engine stalling and rough idling caused by faulty pressure readings
• Reduces emission control system errors and check engine light triggers
• Improves fuel economy by providing accurate manifold pressure data
• Supports proper turbocharger or supercharger operation if applicable

Installation Notes and Tips

When installing the Standard Ignition AS659 sensor, ensure the O-ring is properly seated to avoid vacuum leaks. The sensor plugs directly into the vehicle’s wiring harness via the female rectangular connector. Since hardware and mounting brackets are not included, reuse existing components or source compatible mounting parts. Verify the sensor orientation and vacuum port connection to maintain accurate pressure readings.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for reliable performance. The AS659 sensor undergoes rigorous testing to ensure durability and accuracy. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.