HomeEmission Control > SensorsWalker 225-1323 Manifold Absolute Pressure Sensor
Part #: 225-1323

Walker 225-1323 Manifold Absolute Pressure Sensor

Walker Products
66 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products
Fitment: Lexus, Toyota, and Scion, NX300h, C-HR, Prius, Prius AWD-e, Prius Prime, Corolla, ES300h, Avalon, Corolla iM, RAV4, Camry, and iM
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Overview of Walker Products Manifold Absolute Pressure Sensor

The Walker Products 225-1323 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Lexus, Scion, and Toyota vehicles. This sensor plays a critical role in monitoring engine load and optimizing fuel delivery for models such as the Toyota Camry, Corolla, and Lexus NX300h.

  • Direct replacement Manifold Absolute Pressure Sensor
  • Compatible with multiple Toyota, Lexus, and Scion models
  • Ensures accurate engine load measurement for efficient fuel management
  • Part number 225-1323 for easy identification and fitment
  • Manufactured by Walker Products, a trusted name in emission control components

Product Line Details: Walker Products

Walker Products specializes in emission control components, including sensors that meet or exceed OEM specifications. The 225-1323 MAP sensor is part of their comprehensive product line focused on maintaining emission standards and engine performance. This sensor supports emission control systems by providing reliable data to the engine control unit, helping vehicles like the Toyota Prius AWD-e and Lexus ES300h maintain optimal operation.

Detailed Product Description

The Walker Products 225-1323 Manifold Absolute Pressure Sensor measures the absolute pressure inside the intake manifold, which is essential for calculating air density and determining the engine's air mass flow rate. This data allows the engine control unit to adjust fuel injection and ignition timing accurately. Compatible with a range of vehicles including the Toyota Avalon, Scion iM, and Lexus NX300h, this sensor ensures consistent engine performance and emission compliance.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine stalling
  • Improves fuel efficiency by providing accurate manifold pressure readings
  • Reduces engine hesitation and poor acceleration
  • Supports emission control by maintaining proper air-fuel mixture
  • Prevents check engine light triggers related to MAP sensor faults

Installation Notes and Tips

Installation of the Walker Products 225-1323 MAP sensor requires basic mechanical skills and proper tools. Ensure the engine is cool before removal. Disconnect the battery to avoid electrical shorts. Carefully unplug the old sensor and replace it with the new unit, making sure the connector is secure. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors. The 225-1323 MAP sensor is manufactured to meet OEM specifications, ensuring reliable performance and durability. While specific warranty details may vary, Walker Products typically offers coverage against defects in materials and workmanship to support long-term vehicle operation.

This part fits 66 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2026ToyotaCorolla1.8LL4N/ASensor Only
2025ToyotaCorolla1.8LL4N/ASensor Only
2024ToyotaCorolla1.8LL4N/ASensor Only
2023ToyotaCorolla1.8LL4N/ASensor Only
2022ToyotaC-HR2.0LL4N/ASensor Only
2022ToyotaCorolla1.8LL4N/ASensor Only
2022ToyotaPrius1.8LL4N/ASensor Only
2022ToyotaPrius AWD-e1.8LL4N/ASensor Only
2022ToyotaPrius Prime1.8LL4N/ASensor Only
2021LexusNX300h2.5LL4N/AManifold Vacuum Sensor; Sensor Only
2021ToyotaC-HR2.0LL4N/ASensor Only
2021ToyotaCorolla1.8LL4N/AManifold Vacuum Sensor; Sensor Only
2021ToyotaPrius1.8LL4N/AManifold Vacuum Sensor; Sensor Only
2021ToyotaPrius AWD-e1.8LL4N/AManifold Vacuum Sensor; Sensor Only
2021ToyotaPrius Prime1.8LL4N/AManifold Vacuum Sensor; Sensor Only
2020LexusNX300h2.5LL4N/AManifold Vacuum Sensor; Walker Products
2020ToyotaC-HR2.0LL4N/AWalker Products
2020ToyotaCorolla1.8LL4N/AManifold Vacuum Sensor; Sensor Only
2020ToyotaPrius1.8LL4N/AManifold Vacuum Sensor; Walker Products
2020ToyotaPrius AWD-e1.8LL4N/AManifold Vacuum Sensor; Walker Products
2020ToyotaPrius Prime1.8LL4N/AManifold Vacuum Sensor; Walker Products
2019LexusNX300h2.5LL4N/AManifold Vacuum Sensor; Walker Products
2019ToyotaC-HR2.0LL4N/AWalker Products
2019ToyotaCorolla1.8LL4N/AManifold Vacuum Sensor; Walker Products
2019ToyotaPrius1.8LL4N/AManifold Vacuum Sensor; Walker Products
2019ToyotaPrius AWD-e1.8LL4N/AManifold Vacuum Sensor; Walker Products
2019ToyotaPrius Prime1.8LL4N/AManifold Vacuum Sensor; Walker Products
2018LexusES300h2.5LL4ELECTRIC/GASN/AWalker Products
2018LexusNX300h2.5LL4ELECTRIC/GASN/AWalker Products
2018ToyotaAvalon2.5LL4ELECTRIC/GASN/AWalker Products
2018ToyotaC-HR2.0LL4GASN/AWalker Products
2018ToyotaCorolla1.8LL4GASN/AWalker Products
2018ToyotaCorolla iM1.8LL4GASN/AWalker Products
2018ToyotaPrius1.8LL4ELECTRIC/GASN/AWalker Products
2018ToyotaPrius Prime1.8LL4ELECTRIC/GASN/AWalker Products
2018ToyotaRAV42.5LL4ELECTRIC/GASN/AWalker Products
2017LexusES300h2.5LL4ELECTRIC/GASN/AWalker Products
2017LexusNX300h2.5LL4ELECTRIC/GASN/AWalker Products
2017ToyotaAvalon2.5LL4ELECTRIC/GASN/AWalker Products
2017ToyotaCamry2.5LL4ELECTRIC/GASN/AWalker Products
2017ToyotaCorolla1.8LL4GASN/AWalker Products
2017ToyotaCorolla iM1.8LL4GASN/AWalker Products
2017ToyotaPrius1.8LL4ELECTRIC/GASN/AWalker Products
2017ToyotaPrius Prime1.8LL4ELECTRIC/GASN/AWalker Products
2017ToyotaRAV42.5LL4ELECTRIC/GASN/AWalker Products
2016LexusES300h2.5LL4ELECTRIC/GASN/AWalker Products
2016LexusNX300h2.5LL4ELECTRIC/GASN/AWalker Products
2016ScioniM1.8LL4GASN/AWalker Products
2016ToyotaAvalon2.5LL4ELECTRIC/GASN/AWalker Products
2016ToyotaCamry2.5LL4ELECTRIC/GASN/AWalker Products
2016ToyotaCorolla1.8LL4GASN/AWalker Products
2016ToyotaPrius1.8LL4ELECTRIC/GASN/AWalker Products
2016ToyotaRAV42.5LL4ELECTRIC/GASN/AWalker Products
2015LexusES300h2.5LL4ELECTRIC/GASN/AWalker Products
2015LexusNX300h2.5LL4ELECTRIC/GASN/AWalker Products
2015ToyotaAvalon2.5LL4ELECTRIC/GASN/AWalker Products
2015ToyotaCamry2.5LL4ELECTRIC/GASN/AWalker Products
2015ToyotaCorolla1.8LL4GASN/AWalker Products
2014LexusES300h2.5LL4ELECTRIC/GASN/AWalker Products
2014ToyotaAvalon2.5LL4ELECTRIC/GASN/AWalker Products
2014ToyotaCamry2.5LL4ELECTRIC/GASN/AWalker Products
2014ToyotaCorolla1.8LL4GASN/AWalker Products
2013LexusES300h2.5LL4ELECTRIC/GASN/AWalker Products
2013ToyotaAvalon2.5LL4ELECTRIC/GASN/AWalker Products
2013ToyotaCamry2.5LL4ELECTRIC/GASN/AWalker Products
2012ToyotaCamry2.5LL4ELECTRIC/GASN/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:

10.321310.321716739198-10012272485S1463684.49189421-26030AS629EC2013 MA0069SU16041

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