Walker 225-1340 Manifold Absolute Pressure Sensor

Walker 225-1340 MAP Sensor Overview

Walker 225-1340 is a manifold absolute pressure sensor for engine management systems that rely on accurate intake manifold pressure data. It is an OE replacement MAP sensor built for direct electrical and connector fit, with application coverage for the 2005 Subaru Outback, manifold vacuum sensor position.

Walker Products Sensor Only line focuses on replacement sensors that match OE-style output and connector requirements for straightforward service on modern gasoline and diesel engine systems.

Key Features

• Manifold Absolute Pressure (MAP) sensor for intake manifold pressure measurement
• OE replacement design with electrical output and pressure range matched to factory specifications
• Black plastic housing with one oval female connector
• 3 blade terminals with plug-in fitting type
• Built for high engine bay temperatures, vibration, and intake air exposure
• Compatible with the 2005 Subaru Outback, manifold vacuum sensor application

Detailed Description

The Walker 225-1340 MAP sensor measures pressure inside the intake manifold and sends that signal to the ECM so it can calculate engine load, adjust fuel delivery, and set ignition timing. Accurate MAP sensor data is important for drivability, fuel economy, and emissions control. This part cross-references Standard Ignition AS649 for the same application.

For Subaru Outback service, Walker 225-1340 provides a direct-fit replacement path for the 2005 Subaru Outback, manifold vacuum sensor application noted in the fitment data. The Sensor Only product line is built around OE-style fit and signal performance, making it a practical choice when replacing a failed MAP sensor on the vehicle.

Common Issues This Part Can Address

• Check engine light related to manifold pressure sensor faults
• Rough idle or unstable engine speed
• Hesitation, poor throttle response, or reduced power
• Incorrect fuel mixture caused by inaccurate manifold pressure readings
• Emissions performance problems tied to faulty sensor input

Installation Notes and Tips

Before installation, verify the connector shape, terminal count, and port layout against the original sensor. The Walker 225-1340 uses a black oval female connector, 3 male blade terminals, and a plug-in fitment style with one port. Confirm the vehicle application as listed for the 2005 Subaru Outback, manifold vacuum sensor position, and inspect the intake tract for contamination or vacuum leaks that could affect sensor readings after replacement.

Quality Assurance

Walker Products designs this MAP sensor to meet OE specifications for electrical output, pressure range, and connector fit. Each unit is tested for accuracy, responsiveness, and long-term reliability to support consistent engine control performance.