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Walker 225-91020 Manifold Absolute Pressure Sensor
Overview of Walker 225-91020 Manifold Absolute Pressure Sensor
The Walker 225-91020 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This sensor plays a critical role in monitoring manifold pressure to optimize fuel delivery and engine performance.
- Wiring harness length: 18.00 inches for flexible installation
- Blade terminal type ensuring secure electrical connection
- Oval-shaped female connector for proper fitment
- Three male terminals for accurate signal transmission
Walker Products FSK Line Details
The Walker Products FSK line focuses on emission control components engineered to meet or exceed OEM specifications. The 225-91020 MAP sensor from this line is built to provide reliable pressure readings and maintain emission standards for compatible vehicles.
Technical Description and Attributes
This MAP sensor features an 18-inch wiring harness, allowing for convenient routing within the engine bay. The blade terminal type and three-terminal configuration ensure compatibility with the vehicle’s electrical system. The oval-shaped female connector is designed to match factory connectors on Buick Achieva, Chevrolet Cavalier, Oldsmobile Cutlass, Pontiac Grand Am, Skylark, and Sunfire models, facilitating straightforward replacement.
Applications and Problem Resolution
- Helps correct engine stalling or rough idling caused by faulty manifold pressure readings
- Addresses poor fuel economy due to inaccurate air-fuel mixture adjustments
- Resolves check engine light triggers related to MAP sensor faults
- Improves engine acceleration and throttle response by providing accurate pressure data
- Supports emission control compliance by ensuring proper sensor function
Installation Notes and Tips
When installing the Walker 225-91020 MAP sensor, verify connector orientation to match the oval female connector with the vehicle harness. Ensure the blade terminals are fully seated to prevent electrical issues. The 18-inch wiring harness length provides flexibility but avoid excessive bending or stretching. It is recommended to disconnect the battery before installation to prevent electrical shorts.
Quality Assurance and Warranty
Walker Products FSK sensors are manufactured to meet stringent quality standards for emission control components. While specific warranty details for part number 225-91020 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure dependable operation in Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.
| Brand | Walker |
| Part Number | 225-91020 |
| Position | Walker Products FSK |
| Connector Gender | Female |
| Connector Shape | Oval |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade |
| Wiring Harness Length | 18.00 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Buick | Skylark | 2.3L | L4 | N/A | Walker Products FSK |
| 1995 | Chevrolet | Cavalier | 2.3L | L4 | N/A | Walker Products FSK |
| 1995 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Walker Products FSK |
| 1995 | Pontiac | Grand Am | 2.3L | L4 | N/A | Walker Products FSK |
| 1995 | Pontiac | Sunfire | 2.3L | L4 | N/A | Walker Products FSK |
| 1994 | Buick | Skylark | 2.3L | L4 | N/A | Walker Products FSK |
| 1994 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Walker Products FSK |
| 1994 | Pontiac | Grand Am | 2.3L | L4 | N/A | Walker Products FSK |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.