Spectra MP174 Manifold Absolute Pressure Sensor

Manifold Absolute Pressure Sensor Overview

The Spectra MP174 manifold absolute pressure sensor is built to meet or exceed OE specifications for fit, form, and function. It is a direct-fit emission control sensor for vehicles that rely on accurate intake manifold pressure data for engine management.

Key Features

• OE-style fit, form, and function for straightforward replacement
• Black plastic housing with a black oval connector
• 3-terminal blade design with one port
• Male connector and male terminal configuration
• Fits Buick Encore, Chevrolet Trax, Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited applications

Detailed Description

The Spectra MP174 is a manifold absolute pressure sensor engineered for direct replacement use in emission control systems. Its compact plastic body, oval connector shape, and blade terminal layout are designed to match the original sensor interface and support accurate manifold pressure input to the engine control system. This part number, MP174, is listed for 2011-2021 Buick and Chevrolet applications, including the Buick Encore and Chevrolet Trax. It also fits Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited models in the years shown.

This part cross-references Standard Ignition (e.g., AS427, AS429) for the same application.

What It Is Used For

• Replacing a failed manifold absolute pressure sensor
• Restoring proper manifold pressure signal input to the engine control system
• Addressing drivability issues tied to inaccurate sensor readings
• Correcting emission control faults related to MAP sensor performance

Installation Notes and Tips

Verify connector shape, terminal count, and port configuration before installation. Confirm the application by year, make, and model, since MP174 is used across multiple Buick and Chevrolet platforms. Inspect the connector and surrounding harness for damage before installing the new sensor.

Quality Assurance

Spectra states that this manifold absolute pressure sensor is designed to meet or exceed OE specifications for fit, form, and function.