Service and Repair Manual June 2017Perkins 854F-34T Engine Fault Code178 SX-180 Part No. 1268497SPN = Suspect Parameter NumberFMI = Failure Mode IdentifierSPN FMI Description Refer to Engine Manual27 3 Engine Exhaust Gas Recirculation ValvePosition :Voltage Above NormalValve Position Sensor- Test27 4 Engine Exhaust Gas Recirculation ValvePosition :Voltage Be- low NormalValve Position Sensor - Test29 3 Accelerator Pedal Position 2 :Voltage AboveNormalAnalog Throttle Position Sensor Circuit - Test29 4 Accelerator Pedal Position 2 :Voltage BelowNormalAnalog Throttle Position Sensor Circuit - Test51 3 Engine Throttle Valve 1Position :Voltage AboveNormalValve Position Sensor - Test51 4 Engine Throttle Valve 1 Position :Voltage BelowNormalValve Position Sensor - Test91 3 Accelerator Pedal Position 1 :Voltage AboveNormalAnalog Throttle Position Sensor Circuit - Test91 4 Accelerator Pedal Position 1: Voltage BelowNormalAnalog Throttle Position Sensor Circuit - Test97 15 Water In Fuel Indicator :High - least severe Fuel Contains Water100 2 Engine Oil Pressure :Erratic,Intermittent,orIncorrectSwitch Circuits - Test100 17 Engine Oil Pressure :Low - least severe (1) Oil Pressure Is Low102 3 Engine Intake Manifold #1 Pressure:VoltageAbove NormalEngine Pressure Sensor Open or Short Circuit - Test102 4 Engine Intake Manifold #1 Pressure :VoltageBelow NormalEngine Pressure Sensor Open or Short Circuit - Test102 20 Engine Intake Manifold #1Pressure :DataDrifted HighEngine Pressure Sensor Open or Short Circuit - Test102 21 Engine Intake Manifold #1Pressure :DataDrifted LowEngine Pressure Sensor Open or Short Circuit - Test105 3 Engine Intake Manifold #1Temperature :Voltage Above NormalEngine Temperature Sensor Open or Short Circuit -Test105 4 Engine Intake Manifold #1Temperature :Voltage Below NormalEngine Temperature Sensor Open or Short Circuit-Test107 2 Engine Air Filter 1Differential Pressure :Erratic,Intermittent,or IncorrectSwitch Circuits - Test107 15 Engine Air Filter 1Differential Pressure :High -least severe (1)Inlet Air Is Restricted107 16 Engine Air Filter 1Differential Pressure :High -moderate severity(2)Inlet Air Is Restricted
