Walker 225-1003 Manifold Absolute Pressure Sensor

Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1003 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. This sensor features a rectangular female connector with three bullet-type female terminals, ensuring reliable electrical connections for accurate pressure readings.

• Terminal Type: Bullet
• Connector Shape: Rectangular
• Terminal Quantity: 3
• Connector Gender: Female
• Terminal Gender: Female

Walker Products Brand Line Details

Walker Products specializes in emission control components, providing sensors and parts engineered to meet OEM specifications. The 225-1003 MAP sensor is part of this line, offering compatibility and durability for emission control systems in various GM vehicles. This product line focuses on maintaining proper engine air-fuel mixture by delivering accurate manifold pressure data to the engine control unit.

Product Description and Compatibility

The Walker 225-1003 MAP sensor is compatible with a wide range of GM models including Buick 60 Special and LeSabre, Cadillac DeVille and Eldorado, Chevrolet Camaro and Impala, GMC C2500 and K2500, Oldsmobile Cutlass and Delta 88, and Pontiac Bonneville and Grand Prix among others. Its rectangular female connector with three bullet terminals ensures secure and consistent signal transmission. This sensor plays a critical role in monitoring manifold pressure to optimize engine performance and emissions.

Common Applications and Issues Addressed

• Helps correct engine stalling or rough idling caused by faulty manifold pressure readings
• Resolves poor fuel economy linked to inaccurate air-fuel mixture data
• Addresses check engine light triggers related to MAP sensor faults
• Improves engine acceleration response by providing accurate pressure input
• Supports emission control compliance by maintaining proper sensor function

Installation Notes and Tips

When installing the Walker 225-1003 MAP sensor, ensure the rectangular female connector aligns properly with the vehicle harness. Verify that all three bullet terminals are securely connected to prevent signal loss. It is recommended to disconnect the battery before installation to avoid electrical shorts. Consult the vehicle’s service manual for specific torque specifications and sensor location details.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 225-1003 MAP sensor. This part is manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure reliable long-term performance.