Walker 225-1179 Manifold Absolute Pressure Sensor

Overview of Walker Manifold Absolute Pressure Sensor 225-1179

The Walker Products Manifold Absolute Pressure (MAP) Sensor 225-1179 is designed for precise engine management in select BMW and Rolls-Royce vehicles. This sensor plays a critical role in monitoring engine load and optimizing fuel delivery for models such as the BMW 328i and Rolls-Royce Phantom.

• Compatible with BMW and Rolls-Royce models including 128i, 328i, 530i, M5, X3, and Phantom
• Part number 225-1179 ensures exact fit and function
• Measures manifold absolute pressure to support engine control systems
• Manufactured by Walker Products, a trusted name in emission control sensors
• Supports emission compliance and engine performance optimization

Product Line Details: Walker Products

Walker Products specializes in emission control components, providing sensors and parts engineered to meet OEM specifications. The Walker Products line includes manifold absolute pressure sensors like the 225-1179, designed to deliver reliable data to the engine control unit for accurate air-fuel mixture adjustments. This focus on precision supports vehicle emissions standards and engine efficiency in BMW and Rolls-Royce applications.

Detailed Product Description

The Walker 225-1179 MAP sensor accurately measures the pressure within the intake manifold, a vital parameter for engine control units to calculate air density and adjust fuel injection accordingly. This sensor is compatible with a wide range of BMW models such as the 323i, 330xi, 545i, and 750Li, as well as Rolls-Royce models including the Phantom. By providing real-time pressure data, it helps maintain optimal engine performance, fuel economy, and emissions control.

Common Applications and Issues Addressed

• Engine stalling or rough idling due to incorrect air-fuel mixture
• Reduced fuel efficiency caused by inaccurate manifold pressure readings
• Check engine light triggered by faulty MAP sensor signals
• Poor acceleration or hesitation during throttle response
• Emission test failures related to sensor malfunction

Installation Notes and Tips

When installing the Walker 225-1179 MAP sensor, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the old sensor and avoid damaging the wiring harness. Install the new sensor securely, verifying proper alignment and connection. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for the 225-1179 MAP sensor, ensuring durability and accurate performance. This part is manufactured to meet or exceed OEM specifications for emission control sensors. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region.