The EGR Valve operation is controlled by the Engine Control Module (ECM) using a pulse width modulated signal. The ECU provides both the power and ground circuits. The EGR Valve assembly consists of a solenoid, operating a valve by hydraulic pressure provided by the engine’s oiling system.
Volvo All Engines (2017 Emissions) Fault Code: P040371 PID: EMS EGR “A” Control
Volvo All Engines (2017 Emissions) Fault Code: P040341 PID: EMS EGR “A” Control
Volvo All Engines (2017 Emissions) Fault Code: P040313 PID: EMS EGR “A” Control
Volvo All Engines (2017 Emissions) Fault Code: P040312 PID: EMS EGR “A” Control
Volvo All Engines (2017 Emissions) Fault Code: P040200 PID: EMS Engine Exhaust Gas Recirculation 1 Valve Position Flow Excessive Detected
Volvo All Engines (2017 Emissions) Fault Code: P040100 PID: EMS Engine Exhaust Gas Recirculation 1 Valve Position Flow Insufficient Detected