HomeEmission Control > SensorsWalker 225-1181 Manifold Absolute Pressure Sensor
Part #: 225-1181

Walker 225-1181 Manifold Absolute Pressure Sensor

Sensor Only
⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Sensor Only
🚗Fitment: Saab, 9-3 and 9-3X
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandWalker
Part Number225-1181
PositionSensor Only
Connector ColorBlack
Terminal TypeBlade
Connector Quantity1
Connector ShapeRectangle
Terminal Quantity3
Connector GenderFemale
Terminal GenderMale
Fitting TypePlug-in
Body MaterialPlastic
Port Quantity1

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011Saab9-32.0LL4N/ASensor Only
2011Saab9-3X2.0LL4N/ASensor Only
2010Saab9-32.0LL4N/ASensor Only
2010Saab9-3X2.0LL4N/ASensor Only
2009Saab9-32.0LL4N/ASensor Only
2008Saab9-32.0LL4N/ASensor Only
2007Saab9-32.0LL4N/ASensor Only
2006Saab9-32.0LL4N/ASensor Only
2005Saab9-32.0LL4N/ASensor Only
2004Saab9-32.0LL4N/ASensor Only
2003Saab9-32.0LL4N/ASensor 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:

12787705158-13442203255S117615S6295AS315EC1795MA0200SU13214SU7806

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