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Volvo engine code DTC P0304
Fuel Pressure, Timing and Quantity Threshold – Single Cylinder Low Mass Flow The single cylinder low mass flow malfunction is monitored using the misfire detection monitor. See “Misfire Monitoring at Idle Conditions”, page 29 for detailed monitor descriptions. P0304 Single Cylinder Low Mass Flow Monitor (Cylinder 4) DTC P0304 Component / System Fuel System Monitoring Injection Quantity – Low (Cylinder 4) Monitor Strategy Description Single cylinder engine flywheel acceleration evaluation Fault Limit Number of misfire events per cylinder 400 out of 500 Enable Conditions • Average Engine Speed 525 - 725 RPM • PTO Not Active • Number of Cylinders Misfiring < 4 Cylinders • Engine Torque 0 - 400 Nm • Vehicle Speed < 0.1 km/h • Revolution Count 125 Revolutions • Delay Time After Engine Start 60 seconds • Delay Time After Enable Condition Met 10 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, P0206 Time Required For DTC To Be Set 180 Seconds MIL Illumination 2 Drive Cycles