2-Bar Map Sensor

The 2-Bar Map Sensor from MSD Ignition is a precision fuel management component designed for high-performance engine tuning and forced-induction applications. This sensor measures absolute manifold air pressure in a 0–2 bar operating range, delivering critical data to your engine control unit for accurate fuel mixture calculations. Whether you're running a naturally aspirated stroker motor or a turbocharged build, a quality map sensor is essential for maintaining drivability and preventing lean-out conditions that can damage your engine.

This MSD Ignition unit operates by converting manifold pressure changes into a proportional voltage signal, typically 0–5 volts, which your ECU interprets to adjust spark timing and fuel pulse width in real time. The 2-bar pressure threshold makes it ideal for carbureted-to-EFI conversions, mild to moderate boost applications, and street engines where sensor accuracy directly impacts response and consistency. MSD's engineering ensures tight calibration tolerances and stable output across the full operating range, eliminating the characteristic hesitation and flat spots common to inferior aftermarket sensors.

Installers and tuners favor the MSD 2-Bar Map Sensor for carb-to-fuel-injection retrofits, LS swap projects, and any custom engine build requiring independent boost control or manifold pressure monitoring. Mounting is straightforward—threaded directly into intake manifold ports or vacuum-block adapters—and the compact design allows for easy installation in various engine configurations. This sensor is a reliable choice for those looking to enhance their vehicle's performance and efficiency.