HomeEmission Control > SensorsStandard Ignition AS466 Manifold Absolute Pressure Sensor
Part #: AS466

Standard Ignition AS466 Manifold Absolute Pressure Sensor

9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, WRX STI and Impreza
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Overview of Standard Ignition AS466 Manifold Absolute Pressure Sensor

The Standard Ignition AS466 Manifold Absolute Pressure Sensor is designed specifically for Subaru Impreza and WRX STI models. This sensor plays a critical role in monitoring engine performance by measuring the manifold pressure accurately.

  • Connector Gender: Female
  • Color/Finish: Black
  • Connector Quantity: 1
  • Connector Shape: Rectangular
  • Connector Type: Plug in
  • Hardware Included: No
  • Mounting Brackets Included: No
  • O-Rings Included: Yes
  • Port Quantity: 1
  • Terminal Gender: Male
  • Terminal Quantity: 4
  • Terminal Type: Blade
  • Vacuum Port Quantity: 1
  • Wiring Harness Included: No

Detailed Product Description

The AS466 Manifold Absolute Pressure Sensor from Standard Ignition is engineered to provide precise pressure readings within the intake manifold of Subaru Impreza and WRX STI vehicles. Featuring a single rectangular female plug-in connector with four male blade terminals, this sensor ensures reliable electrical connections. The black finish offers durability and resistance to environmental factors. It includes an O-ring to maintain a proper seal and prevent vacuum leaks. The sensor has one vacuum port and one pressure port, designed to integrate seamlessly with the vehicle’s emission control system. Note that this part does not come with mounting brackets, hardware, or a wiring harness, so existing components must be reused or sourced separately.

Common Applications and Issues Addressed

  • Helps regulate engine air-fuel mixture by providing accurate manifold pressure data
  • Resolves engine performance problems such as rough idling or stalling
  • Addresses issues with poor acceleration or reduced fuel efficiency
  • Prevents check engine light triggers related to faulty MAP sensor readings
  • Supports emission control compliance by monitoring intake manifold pressure

Installation Notes and Tips

  • Ensure the O-ring is properly seated to avoid vacuum leaks
  • Verify connector orientation matches the rectangular female plug-in design
  • Reuse existing mounting brackets and hardware as none are included
  • Check wiring harness compatibility with the four male blade terminals
  • Consult vehicle service manual for torque specifications and sensor location

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The AS466 sensor undergoes rigorous testing to ensure durability and reliable performance in Subaru Impreza and WRX STI models. Warranty coverage details should be confirmed with the product documentation or distributor, as it may vary by region.

BrandStandard Ignition
Part NumberAS466
Connector GenderMale
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade

This part fits 9 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2019SubaruWRX STI2.5LH4N/A
2018SubaruWRX STI2.5LH4N/A
2017SubaruWRX STI2.5LH4N/A
2016SubaruWRX STI2.5LH4N/A
2015SubaruWRX STI2.5LH4N/A
2014SubaruWRX STI2.5LH4N/A
2013SubaruWRX STI2.5LH4N/A
2009SubaruImprezaWRX STI2.5LH4N/A
2008SubaruImpreza2.5LH4N/A

* 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:

2-2718522627AA4405S1169272-186474422EC1948ECA1502MAPA113

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