Holstein 2MAP0523 Manifold Absolute Pressure Sensor

Holstein Manifold Absolute Pressure Sensor

Holstein Parts 2MAP0523 is a manifold absolute pressure sensor for select Cadillac, Buick, and Chevrolet applications. It is used in boost and MAP sensor positions across turbocharged and naturally aspirated engine management systems, with fitment that includes Cadillac CT4, CT5, ATS, CT6, CTS, and XTS, plus Buick Encore, Cascada, and Chevrolet Cruze and Malibu.

Holstein Parts focuses on direct-fit replacement sensors for common emission control and engine management repairs. The 2MAP0523 is listed for vehicles with specific terminal and transmission configurations, making fitment verification important before ordering.

• Manifold absolute pressure sensor for engine load and boost signal input
• Direct replacement for select Cadillac, Buick, and Chevrolet models
• Fits 2025-2026 Cadillac CT4, N/A, with 4 terminals
• Fits 2023-2024 Cadillac CT4, N/A
• Fits 2020 Cadillac CT5, N/A, right, for vehicles with automatic transmissions
• Fits 2016-2019 Cadillac ATS, N/A, boost sensor; exc chassis all wheel drive with transfer case [exc F46]
• Fits 2016-2019 Cadillac CT6, N/A, boost sensor
• Fits 2014-2019 Cadillac CTS, N/A, boost sensor
• Fits 2016-2017 Buick Encore, N/A, MAP sensor
• Fits 2016-2017 Chevrolet Cruze, N/A, MAP sensor
• Fits 2016-2017 Chevrolet Malibu, N/A, MAP sensor
• Fits 2016 Buick Cascada, N/A, MAP sensor
• Fits 2014 Cadillac XTS, N/A, boost sensor

This part cross-references Standard Ignition TX269 for the same application.

Use this sensor when diagnosing incorrect manifold pressure readings, unstable idle, reduced boost response, or engine performance faults tied to the MAP/boost signal. It is also a fitment-based replacement for Cadillac CT4 and Cadillac CTS sensor service where the original sensor has failed or is reading outside specification.

Installation Notes

Confirm the vehicle year, make, model, engine configuration, terminal count, and transmission notes before installation. Match the sensor location and application notes exactly, especially on 2020 Cadillac CT5 and 2016-2019 Cadillac ATS listings with chassis and drivetrain restrictions. Clear diagnostic trouble codes after installation and verify live data readings during a road test.

Quality Assurance

Holstein Parts supplies application-specific replacement sensors for emission control and engine management service. Part number 2MAP0523 is cataloged with OE-style fitment references and interchange data for verification during repair planning.