Walker 225-1158 Manifold Absolute Pressure Sensor

Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1158 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Nissan vehicles. This sensor plays a critical role in monitoring engine load and optimizing fuel delivery for Nissan Altima, Frontier, and Xterra models.

• Compatible with Nissan Altima, Frontier, and Xterra
• Part number 225-1158 ensures exact fit and function
• Measures manifold absolute pressure for accurate engine control
• Supports emission control system performance
• Manufactured by Walker Products, a trusted brand in emission control sensors

Product Line Details: Walker Products

Walker Products specializes in emission control components, including sensors that meet OEM specifications. The 225-1158 MAP sensor is part of their product line focused on delivering reliable and precise sensor solutions for emission systems. This ensures compatibility and performance consistency for Nissan vehicles requiring accurate manifold pressure readings.

Detailed Product Description

The Walker Products 225-1158 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 injection and ignition timing, which helps maintain optimal engine performance and emissions compliance. Designed specifically for Nissan Altima, Frontier, and Xterra models, this sensor meets the exact specifications required for proper fitment and operation.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine stalling
• Improves fuel efficiency by providing accurate load data
• Reduces engine hesitation and poor acceleration
• Supports emission system diagnostics and compliance
• Prevents check engine light triggers related to MAP sensor faults

Installation Notes and Tips

Installation of the Walker Products 225-1158 MAP sensor should be performed with care to avoid damage to the sensor or intake manifold. Ensure the sensor connector is securely attached and free of corrosion. It is recommended to verify sensor calibration and clear any diagnostic trouble codes after installation. Refer to the vehicle’s service manual for torque specifications and sensor location details specific to Nissan Altima, Frontier, and Xterra models.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 225-1158 MAP sensor. This part is manufactured to meet or exceed OEM requirements, ensuring reliable performance and durability. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region.