Walker 225-1172 Manifold Absolute Pressure Sensor

Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1172 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, this sensor helps maintain efficient fuel management and emissions control.

• Direct replacement MAP sensor for select GM vehicles
• Compatible with Buick Alero, Cadillac STS, Chevrolet Impala, and more
• Ensures precise manifold pressure measurement for engine control
• Part number 225-1172 for easy identification and fitment
• Manufactured under the Walker Products brand line for emission control components

Product Line Details: Walker Products

Walker Products specializes in emission control components, including sensors that meet OEM specifications. The 225-1172 MAP sensor is part of this product line, designed to deliver reliable performance and durability in emission systems. This ensures compliance with emission standards while supporting engine efficiency across multiple GM vehicle models.

Detailed Product Description

The Walker 225-1172 Manifold Absolute Pressure Sensor measures the pressure inside the intake manifold, providing critical data to the engine control unit (ECU). This data is essential for adjusting fuel injection and ignition timing, which helps optimize engine performance and reduce emissions. Compatible with Buick Alero, Cadillac STS, Chevrolet Impala, and other GM models, this sensor is engineered to meet the specific requirements of these vehicles.

Common Issues Addressed by the MAP Sensor

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check engine light triggered by faulty pressure readings
• Reduced engine power and acceleration
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the engine is cool before installation to avoid injury
• Disconnect the battery to prevent electrical shorts
• Locate the existing MAP sensor on the intake manifold and remove carefully
• Install the Walker 225-1172 sensor securely and reconnect wiring harness
• Clear any diagnostic trouble codes after installation for proper ECU calibration

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 225-1172 MAP sensor. While specific warranty details may vary, Walker Products typically offers coverage against manufacturing defects to ensure reliability and customer confidence in their components.