Delphi PS20122 Manifold Absolute Pressure Sensor

Delphi PS20122 MAP Sensor Overview

The Delphi PS20122 manifold absolute pressure sensor provides accurate intake manifold pressure readings for engine management systems. Built as a standard replacement sensor, it supports precise signal output for vehicles that rely on stable MAP data for fuel delivery and drivability.

Compatible With 2016-2022 Chevrolet Colorado, 2017-2022 GMC Canyon, 2016-2021 Cadillac XT5, 2020-2021 Cadillac XT6, 2019-2021 Chevrolet Blazer, 2016-2021 Chevrolet Camaro, 2017-2021 GMC Acadia, 2018-2020 Buick Regal Sportback, 2016-2020 Cadillac CT6, 2017-2019 Buick LaCrosse, 2016-2019 Cadillac ATS, and 2016-2019 Cadillac CTS.

Key Features

• Delphi PS20122 manifold absolute pressure sensor
• 5-volt voltage type sensor with 3 terminals
• Single oval connector, male connector and terminal design
• Bolt-on mount with 1 port and black plastic housing
• Standard replacement grade for direct service use
• Tested and calibrated to OE standards for accurate readings

Detailed Description

The Delphi PS20122 is a MAP sensor engineered for vehicles that depend on accurate manifold pressure input to manage air-fuel calculations and engine load data. Delphi validates its sensors to OE standards, helping maintain consistent signal accuracy and reducing repeat repair concerns. This part number is a direct service option for applications including Chevrolet Colorado, GMC Canyon, and Cadillac XT5, along with other GM platforms listed in the fitment data. This part cross-references Standard Ignition AS682 for the same application.

Common Issues This Sensor Can Address

• Incorrect manifold pressure readings stored by the engine control module
• Rough idle caused by unstable MAP sensor output
• Hesitation or poor throttle response during acceleration
• Check engine light concerns related to MAP sensor performance
• Fuel mixture and drivability problems tied to inaccurate intake pressure data

Installation Notes and Tips

Verify connector shape, terminal count, and mount style before installation. The Delphi PS20122 uses a black oval 1-connector, 3-terminal design with a bolt-on mount and no wiring harness included. Confirm the vehicle’s original sensor specification and inspect the intake port sealing surface before fitting the new sensor.

Quality Assurance

Delphi sensors are developed and validated using OE-focused methods, with calibration checks performed to support accurate readings. The PS20122 is built as a standard replacement MAP sensor for dependable service on the listed GM applications.