Walker 225-91001 Manifold Absolute Pressure Sensor

Overview of Walker Manifold Absolute Pressure Sensor 225-91001

The Walker Products FSK Manifold Absolute Pressure (MAP) Sensor 225-91001 is designed to provide accurate pressure readings for emission control systems. Compatible with a wide range of vehicles including Acura, Chevrolet, Honda, and Jeep, this sensor ensures reliable engine performance and emission regulation.

• Wiring harness length: 7.00 inches for flexible installation
• Terminal type: Bullet terminals for secure electrical connection
• Connector shape: Rectangular for precise fitment
• Terminal quantity: 3 terminals to support sensor functionality
• Connector gender: Female connector for compatibility
• Terminal gender: Male terminals for proper mating

Walker Products FSK Brand Line Details

The Walker Products FSK line focuses on emission control components engineered to meet or exceed OEM specifications. This MAP sensor from the FSK series is built to deliver consistent pressure readings critical for engine management systems, helping maintain optimal air-fuel mixture and reduce emissions across various vehicle makes and models.

Product Description and Compatibility

This Walker MAP sensor 225-91001 measures the absolute pressure inside the intake manifold, providing essential data to the engine control unit (ECU). The sensor’s rectangular female connector with three male bullet terminals ensures a secure and reliable electrical connection. With a 7-inch wiring harness, it offers ease of installation in tight engine compartments. Compatible with numerous models such as the Chevrolet Blazer, Honda Accord, Jeep Cherokee, and Buick Century, this sensor supports proper engine function and emission control.

Common Applications and Issues Addressed

• Helps correct inaccurate manifold pressure readings
• Resolves engine stalling or rough idling caused by faulty MAP sensor
• Improves fuel efficiency by providing accurate data to the ECU
• Reduces emission system errors and check engine light triggers
• Supports proper turbocharger and boost pressure monitoring in compatible vehicles

Installation Notes and Tips

Ensure the vehicle is turned off and cooled before installation. Disconnect the battery to prevent electrical shorts. The 7-inch wiring harness allows for flexible routing; verify the rectangular female connector aligns properly with the vehicle’s harness. Use appropriate tools to secure bullet terminals and avoid damaging the sensor or wiring. After installation, clear any diagnostic trouble codes and test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products FSK MAP sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to product documentation for exact warranty terms.