Walker 225-1220 Manifold Absolute Pressure Sensor

Walker 225-1220 Manifold Absolute Pressure Sensor

Walker Products 225-1220 is a manifold absolute pressure sensor for select Land Rover applications. It is built for direct engine-management replacement use and supports accurate intake manifold pressure input for proper fuel and ignition control.

Key Features

• Manifold Absolute Pressure Sensor for engine management systems
• Walker Products fuel system and sensor line
• Manufactured to meet or exceed OEM standards and specifications
• Backed by Walker engineering, product management, and technical support
• ISO 9001 and IATF 16949 certified manufacturing

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on accurate production data, application coverage, and OE-style fitment. The Walker Products line includes engine management components such as oxygen sensors, throttle position sensors, cam and crankshaft sensors, fuel injectors, and related repair parts. Part number 225-1220 is a MAP sensor used to provide the engine control module with manifold pressure information needed for load calculation and drivability control. This part cross-references Standard Ignition AS373 for the same application.

Vehicle Fitment

• Fits 2005-2009 Land Rover LR3, N/A
• Fits 2006-2009 Land Rover Range Rover, N/A
• Fits 2006-2009 Land Rover Range Rover Sport, N/A

Common Issues This Part May Address

• Erratic idle or rough running caused by incorrect manifold pressure input
• Reduced throttle response from a failing MAP sensor
• Check engine light related to manifold pressure sensor performance
• Fuel mixture and load-calculation errors in the engine control system

Installation Notes and Tips

Verify the connector style and application match before installation. On Land Rover LR3, Range Rover, and Range Rover Sport applications, confirm the sensor location and inspect the intake tract for vacuum leaks or contamination that could affect readings. Clear diagnostic trouble codes after installation and confirm live data values during a road test.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical support, and operates under ISO 9001 and IATF 16949 certified quality systems.