HomeEmission Control > SensorsWalker 225-1100 Manifold Absolute Pressure Sensor
Part #: 225-1100

Walker 225-1100 Manifold Absolute Pressure Sensor

Walker Products
⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products
🚗Fitment: Cadillac, Pontiac, Buick, and Chevrolet, STS, XLR, Grand Prix, Park Avenue, Impala, and Monte Carlo
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Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1100 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with select Buick, Cadillac, Chevrolet, and Pontiac models, this sensor ensures reliable data transmission through its precise terminal and connector design.

  • Terminal Type: Blade for secure electrical connection
  • Connector Shape: Rectangular for proper fitment
  • Terminal Quantity: 3 terminals for accurate signal output
  • Connector Gender: Female to match vehicle harness
  • Terminal Gender: Male terminals for reliable contact

Detailed Product Description

This Walker Products MAP sensor (part number 225-1100) features a blade terminal type and a rectangular female connector, designed to interface seamlessly with the vehicle’s wiring harness. The sensor includes three male terminals, which provide stable and consistent electrical connections necessary for precise manifold pressure readings. This configuration supports accurate engine control unit (ECU) data input, essential for fuel management and emission control.

Walker Products is a recognized line within the Walker brand, focusing on emission control components that meet or exceed OEM specifications. The 225-1100 MAP sensor is part of this line, ensuring compatibility and durability for emission-related sensor applications in various GM vehicles.

Compatible Vehicles and Applications

This MAP sensor is compatible with multiple GM models, including Buick Grand Prix and Park Avenue, Cadillac STS and XLR, Chevrolet Impala and Monte Carlo, and Pontiac Grand Prix. It is specifically designed to replace factory sensors in these vehicles, maintaining proper engine performance and emission standards.

  • Helps resolve engine stalling or rough idling caused by faulty pressure readings
  • Addresses poor fuel economy linked to incorrect manifold pressure data
  • Corrects check engine light triggers related to MAP sensor faults
  • Improves acceleration issues due to inaccurate sensor signals
  • Supports emission control by providing accurate manifold pressure information

Installation Notes and Tips

When installing the Walker Products 225-1100 MAP sensor, ensure the rectangular female connector aligns properly with the vehicle harness. Verify that the three male blade terminals are clean and free of corrosion for optimal electrical contact. It is recommended to disconnect the battery before installation to prevent electrical shorts. Follow vehicle-specific service manual instructions for sensor location and torque specifications.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for its emission control sensors, including the 225-1100 MAP sensor. Each unit undergoes testing to ensure accurate pressure readings and electrical integrity. While specific warranty details may vary, Walker typically offers coverage against manufacturing defects to support product reliability and customer confidence.

BrandWalker
Part Number225-1100
PositionWalker Products
Connector GenderFemale
Connector ShapeRectangular
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009CadillacSTS4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2009CadillacXLR4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2008CadillacSTS4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2008CadillacXLR4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2007CadillacSTS4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2007CadillacXLR4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2007PontiacGrand Prix3.8LV6N/AWalker Products
2006CadillacSTS4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2006CadillacXLR4.4LV8N/ASupercharger Air Outlet Pressure Sensor; Walker Products
2006PontiacGrand Prix3.8LV6N/AWalker Products
2005BuickPark Avenue3.8LV6N/AWalker Products
2005ChevroletImpala3.8LV6N/AWalker Products
2005ChevroletMonte Carlo3.8LV6N/AWalker Products
2005PontiacGrand Prix3.8LV6N/AWalker Products
2004BuickPark Avenue3.8LV6N/AWalker Products
2004ChevroletImpala3.8LV6N/AWalker Products
2004ChevroletMonte Carlo3.8LV6N/AWalker Products
2004PontiacGrand Prix3.8LV6N/AWalker Products

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1258069812615136213-16315S1187AS195AS314EC1777EC1794HTS1112MA0031SU1477

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.