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Volvo All Engines (2004 Emissions) Fault Code: PID 108 FMI 4 Ambient Pressure Sensor

Fault Condition:

The Ambient Pressure Sensor is shorted to another circuit. If the code is active, attempt to clear the code from memory and check if the code resets. If PID 108 resets, replace the Engine Management System (EMS) Module and retest the system.