Holstein 2MAP0078 Manifold Absolute Pressure Sensor

Holstein 2MAP0078 Manifold Absolute Pressure Sensor

Holstein Parts 2MAP0078 is a manifold absolute pressure sensor for select GM, Buick, Pontiac, Chevrolet, GMC, Oldsmobile, Isuzu, Geo, and Pontiac applications. It is used in manifold pressure and boost-related engine management systems, with fitment spanning many 1980-2003 vehicles.

Key Features

• Manifold Absolute Pressure Sensor for emission control and engine load monitoring
• Compatible with select Buick Regal, Pontiac Grand Prix, and Chevrolet/GMC truck and van applications
• Also listed as a boost sensor on applicable Chevrolet and GMC models
• Direct cross-reference part number: 1617986
• Holstein Parts product line coverage for a wide range of late-model and older applications

Detailed Description

Holstein Parts 2MAP0078 is built for vehicles that rely on accurate manifold pressure input to manage fuel delivery, ignition timing, and boost-related control strategies. This part number is listed across a broad range of applications, including Fits 1996-2003 Buick Park Avenue, Fits 1997-2003 Buick Regal, Fits 1992-2003 Pontiac Bonneville, and Fits 1997-2003 Pontiac Grand Prix. It also covers many Chevrolet and GMC trucks, vans, and SUVs, including Fits 1995-1998 Chevrolet Tahoe, Fits 1995-1997 GMC Yukon, and Fits 1996-2002 Chevrolet Express 2500.

For buyers searching by vehicle, Holstein 2MAP0078 is a fitment-based replacement for select Buick Regal and Pontiac Grand Prix models, along with numerous Chevrolet/GMC C/K-series trucks and Suburban applications. The part number 2MAP0078 is also associated with older GM, Pontiac, and Isuzu platforms listed in the fitment data.

What It Is Used For

• Restoring accurate manifold pressure signal input to the engine control system
• Addressing drivability concerns tied to incorrect load or boost readings
• Replacing a failed sensor that can trigger engine management faults
• Supporting proper fuel and timing calculations on MAP-equipped vehicles
• Correcting boost sensor-related issues on listed Chevrolet and GMC applications

Installation Notes and Tips

Verify the part number and match the vehicle by year, make, and model before ordering. Confirm the sensor location and connector style against the original component, especially on Chevrolet and GMC applications listed as boost sensor fitments. Use the vehicle service information for removal and installation procedures, and clear any stored diagnostic trouble codes after replacement.

Quality Assurance

Holstein Parts 2MAP0078 is cataloged for direct application coverage across the listed vehicles and cross-references OE-style part numbers for the same application, including 1617986.