Walker 225-1174 Manifold Absolute Pressure Sensor

Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1174 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. This sensor is compatible with select Buick, Chevrolet, and GMC models, ensuring precise fitment and reliable operation.

• Compatible with Buick Cascada and Encore models
• Fits Chevrolet Cruze, Equinox, and Malibu vehicles
• Suitable for GMC Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500 HD, and Terrain
• Part number 225-1174 for exact replacement
• Manufactured under the Walker Products brand line

About the Walker Products Brand Line

Walker Products specializes in emission control components, including sensors that meet or exceed OEM specifications. The 225-1174 MAP sensor is part of this product line, which focuses on delivering reliable emission control solutions for a range of domestic vehicles. This ensures compatibility and performance consistency across Buick, Chevrolet, and GMC models.

Detailed Product Description

The Walker Products 225-1174 Manifold Absolute Pressure Sensor measures the pressure within the intake manifold to help the engine control unit (ECU) calculate air density and adjust fuel delivery accordingly. This sensor plays a critical role in maintaining engine efficiency, reducing emissions, and supporting proper ignition timing. Designed for direct replacement, it fits specific Buick, Chevrolet, and GMC vehicles, including the Buick Cascada and Encore, Chevrolet Cruze, Equinox, Malibu, and GMC Sierra and Silverado HD series.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine stalling
• Improves fuel economy by providing accurate pressure data
• Reduces engine hesitation and poor acceleration
• Assists in lowering emissions by optimizing air-fuel mixture
• Prevents check engine light triggers related to manifold pressure faults

Installation Notes and Tips

When installing the Walker Products 225-1174 MAP sensor, ensure the vehicle is turned off and cooled down. Locate the existing sensor on the intake manifold and disconnect the electrical connector carefully. Remove the old sensor and replace it with the new unit, making sure it is securely seated. Reconnect the electrical connector and clear any diagnostic trouble codes if necessary. Proper installation helps maintain sensor accuracy and engine performance.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 225-1174 MAP sensor. While specific warranty details are not provided here, Walker Products typically offers coverage against manufacturing defects to ensure product reliability and customer confidence.