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Walker 225-1181 Manifold Absolute Pressure Sensor
Overview of Walker 225-1181 Manifold Absolute Pressure Sensor
The Walker 225-1181 Manifold Absolute Pressure (MAP) Sensor is designed specifically for Saab 9-3 and 9-3X models. This sensor plays a critical role in monitoring engine load by measuring the pressure inside the intake manifold, ensuring optimal engine performance and emissions control.
- Connector color: Black for easy identification
- Blade terminal type with 3 male terminals
- Single rectangular female connector for secure plug-in fitting
- Durable plastic body material
- Single port design for precise pressure measurement
Detailed Product Description
The Walker 225-1181 MAP Sensor features a black rectangular connector with one female plug-in fitting, designed to interface with three male blade terminals. Its plastic body ensures lightweight durability and resistance to engine bay conditions. The single port configuration allows accurate manifold pressure readings, which are essential for the engine control unit (ECU) to adjust fuel delivery and ignition timing. This sensor is engineered to meet the specifications required by Saab 9-3 and 9-3X vehicles, providing reliable data for emission control systems.
About the Walker Sensor Only Product Line
The Sensor Only line from Walker focuses on providing high-quality replacement sensors without additional components. This approach allows for straightforward sensor swaps when the original sensor is faulty, ensuring compatibility and performance without unnecessary parts. The 225-1181 MAP Sensor is part of this line, offering a direct replacement solution for Saab 9-3 and 9-3X models.
Common Applications and Issues Addressed
- Helps resolve engine stalling or rough idling caused by incorrect manifold pressure readings
- Addresses poor fuel economy due to inaccurate air-fuel mixture adjustments
- Fixes check engine light triggers related to MAP sensor faults
- Improves engine acceleration response by providing accurate load data
- Supports emission control compliance by ensuring proper sensor function
Installation Notes and Tips
When installing the Walker 225-1181 MAP Sensor, ensure the connector is fully seated and the blade terminals align correctly with the vehicle harness. The plug-in fitting design simplifies replacement, but care should be taken to avoid damaging the plastic body or terminals. Verify sensor compatibility with Saab 9-3 and 9-3X models before installation.
Quality Assurance and Warranty
Walker manufactures the 225-1181 MAP Sensor to meet OEM standards for fit, form, and function. The plastic body and connector materials are selected for durability in automotive environments. While specific warranty details are not provided here, Walker products typically come with manufacturer-backed quality assurance to support reliable operation in emission control systems.
| Brand | Walker |
| Part Number | 225-1181 |
| Position | Sensor Only |
| Connector Color | Black |
| Terminal Type | Blade |
| Connector Quantity | 1 |
| Connector Shape | Rectangle |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Fitting Type | Plug-in |
| Body Material | Plastic |
| Port Quantity | 1 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2011 | Saab | 9-3X | 2.0L | L4 | N/A | Sensor Only |
| 2010 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2010 | Saab | 9-3X | 2.0L | L4 | N/A | Sensor Only |
| 2009 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2008 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2007 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2006 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2005 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2004 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
| 2003 | Saab | 9-3 | 2.0L | L4 | N/A | Sensor Only |
* 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.