Walker 225-1281 Manifold Absolute Pressure Sensor

Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1281 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select INFINITI and Nissan vehicles. This sensor plays a critical role in monitoring engine load by measuring the manifold pressure, ensuring optimal performance and emissions control.

• Compatible with INFINITI Murano, Nissan Q50, Q60, and QX60 models
• Part number 225-1281 for accurate replacement
• Measures manifold absolute pressure for engine control systems
• Supports emission control by providing essential data to the engine computer
• Manufactured by Walker Products, a trusted name in emission control sensors

About the Walker Products Brand Line

Walker Products specializes in emission control components, including sensors that meet or exceed OEM specifications. The 225-1281 MAP sensor is part of their product line focused on delivering reliable and precise sensor solutions for modern vehicles. This ensures compatibility and performance consistency for INFINITI and Nissan models requiring accurate manifold pressure readings.

Detailed Product Description

The Walker Products 225-1281 Manifold Absolute Pressure Sensor is engineered to provide accurate pressure readings from the intake manifold. This data is essential for the engine control unit (ECU) to adjust fuel delivery and ignition timing, which directly impacts engine efficiency and emissions. Designed specifically for INFINITI Murano and Nissan Q50, Q60, and QX60 vehicles, this sensor ensures proper fitment and function. Using the correct MAP sensor helps maintain engine performance and supports emission standards compliance.

Common Applications and Issues Addressed

• Helps resolve engine stalling or rough idling caused by incorrect manifold pressure readings
• Addresses poor fuel economy linked to faulty MAP sensor data
• Prevents check engine light triggers related to emission control faults
• Supports smooth acceleration and engine response
• Reduces emissions by providing accurate data for air-fuel mixture adjustments

Installation Notes and Tips

• Ensure vehicle compatibility with INFINITI Murano or Nissan Q50, Q60, QX60 before installation
• Disconnect the battery before replacing the sensor to avoid electrical issues
• Handle the sensor carefully to prevent damage to the electrical connector
• Verify proper sealing to avoid vacuum leaks after installation
• Clear any diagnostic trouble codes after replacement to reset the ECU

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 225-1281 MAP sensor. Each unit is tested to meet performance and durability requirements. While specific warranty details are not provided here, Walker Products typically offers coverage consistent with industry standards for emission control components.