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Volvo engine code DTC P0506
Idle Engine Speed: Idle Engine Speed Rationality Idle speed target can be between 550 to 700 rpm. When engine is in idle governor mode fueling is controlled to get target idle speed. If it is not able to control the engine speed above 525 rpm an idle speed low fault code is logged. P0506 Idle Engine Speed Rationality: Idle Speed Low DTC P0506 Component / System Idle speed - Rationality Low Monitor Strategy Description Flywheel based idle speed validation Fault Limit Idle Speed < 525 RPM Enable Conditions • Vehicle Speed < 0.1 km/h • PTO Not Active • Engine Torque < 400 Nm • Acceleration Pedal Position < 0.1% • Delay Time After Engine Start 60 seconds • Delay Time After Enable Condition Met 20 seconds • Ambient Air Temperature -8 - 55 °C • Barometric Pressure 75 - 105 kPa • Coolant Temperature > 65 °C Disable Conditions No Active DTC's: • P0117, P0115, P2229, P2226, P0340, P0335, P0262, P0265, P0268, P0271, P0274, P0277, P0201, P0202, P0203, P0204, P0205, Time Required For DTC To Be Set 300 seconds (accumulated time at idle) MIL Illumination 2 Drive Cycles