Spectra MP143 Manifold Absolute Pressure Sensor

Spectra MP143 Manifold Absolute Pressure Sensor

The Spectra MP143 manifold absolute pressure sensor is built to meet or exceed OE specifications for fit, form, and function. It is a direct replacement for select Chevrolet Express, Silverado, GMC Savana, and Sierra diesel applications with turbocharger boost sensor configurations.

Key Features

• OE-style manifold absolute pressure sensor for accurate engine load and boost signal input
• Built to match factory fit, form, and function requirements
• Direct replacement for select 2001-2010 Chevrolet and GMC trucks and vans
• Cross-references Standard Ignition AS194
• Part number: MP143

Detailed Description

Use the Spectra MP143 when replacing a failing MAP sensor on compatible Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Savana 2500, GMC Savana 3500, GMC Sierra 2500 HD, GMC Sierra 3500 HD, GMC Sierra 2500 HD Classic, Chevrolet Silverado 3500, and GMC Sierra 3500 applications. This sensor supports proper manifold pressure reporting for diesel engines equipped with turbocharger boost sensor setups, helping the engine control system calculate air delivery and fueling more accurately. The MP143 is a practical OE replacement for technicians and owners servicing Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD platforms.

What It Helps Address

• Check engine light related to manifold pressure signal faults
• Rough idle or inconsistent engine response
• Incorrect boost or load readings in the engine management system
• Driveability issues tied to a worn or inaccurate MAP sensor
• Diagnostic trouble codes associated with pressure sensor performance

Installation Notes and Tips

Verify the connector style, engine configuration, and turbocharger boost sensor application before installation. Confirm the vehicle match by year, make, and model, especially on Chevrolet Express and GMC Sierra/Savana diesel platforms. Clear stored codes and recheck live data after installation to confirm the sensor is reporting correctly.

Quality Assurance

Spectra states that this sensor is engineered to meet or exceed OE specifications for fit, form, and function. That makes the MP143 a dependable replacement choice for service work on select Chevrolet and GMC applications.