Spectra MP181 Manifold Absolute Pressure Sensor

Spectra MP181 Manifold Absolute Pressure Sensor

The Spectra MP181 manifold absolute pressure sensor is built for direct replacement service on select Toyota, Lexus, and Scion applications. It is engineered to meet or exceed OE specifications for fit, form, and function, with a black plastic housing, 3 blade terminals, and a single rectangular male connector.

Key Features

• Manifold absolute pressure sensor for engine load and intake pressure monitoring
• Black plastic body with black housing for OE-style placement
• 1 rectangular male connector with 3 male blade terminals
• 1 port design for direct sensor replacement
• Fits select Toyota Corolla, Prius, Camry, Avalon, RAV4, C-HR, Prius Prime, Prius AWD-e, Corolla iM, Lexus ES300h, Lexus NX300h, and Scion iM applications
• Part number MP181 for catalog and service reference

Detailed Description

Spectra MP181 is a manifold absolute pressure sensor for vehicles that rely on accurate intake manifold pressure data for engine management. This sensor is listed for 2012-2023 applications across Toyota Corolla, Toyota Camry, Toyota Avalon, Toyota RAV4, Toyota Prius, Toyota Prius Prime, Toyota Prius AWD-e, Toyota C-HR, Toyota Corolla iM, Lexus ES300h, Lexus NX300h, and 2016 Scion iM. It cross-references Standard Ignition AS629 for the same application. The MP181 part number is a direct reference for buyers searching for an OE-style MAP sensor replacement.

What It Helps Address

• Erratic idle caused by inaccurate manifold pressure readings
• Check engine light concerns related to MAP sensor performance
• Hard starting or rough running tied to incorrect air-fuel calculations
• Reduced throttle response from faulty intake pressure input
• Driveability issues on Toyota Corolla and Toyota Camry applications with sensor signal faults

Installation Notes and Tips

Verify connector shape, terminal count, and port layout against the original sensor before installation. Confirm vehicle year, make, and model against the listed fitment for MP181, especially on Toyota Prius, Lexus ES300h, and Toyota RAV4 applications. Inspect the connector for corrosion or damaged terminals before connecting the new sensor.

Quality Assurance

Spectra states that this manifold absolute pressure sensor is manufactured to meet or exceed OE specifications for fit, form, and function. That OE-style specification focus supports consistent replacement service for the listed Toyota, Lexus, and Scion applications.