Alfa-Romeo Code P0641

alfa-romeo code p0641

The Alfa-Romeo Code P0641 is an error code that is generated when the Powertrain Control Module (PCM) runs a diagnostic to check the Manifold Absolute Pressure Sensor (MAP) calibration and 5-Volt Supply circuit. This code can be triggered by various causes, from faulty MAP Sensors to low fuel pressure sensors, and can lead to significant