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DIESEL CONTROL SYSTEM FLA -231 DTC P0254 FUEL PRESSURE REGULATOR VALVE CIRCUIT HIGH COMPONENT LOCATION E514E39F Refer to DTC P0252. GENERAL DESCRIPTION E9179347 Refer to DTC P0252. DTC DESCRIPTION ECFD7E12 P0254 is set when excessive current in power circuit of Fuel pressure regulator valve(integrated with high pressure pump) DTC DETECTING CONDITION E7470325 Item Detecting Condition Possible Cause DTC Strategy • Voltage monitoring Enable Conditions • IG KEY "ON" ThresholdValue • Short to battery (power circuit in Fuel pressure regulator valve) DiagnosticTime • 220ms Fuel Cut NO EGR Off NO Fuel Limit YES Fail Safe MIL YES • Fuel pressure regulator valve circuit • Fuel pressure regulator valve component SPECIFICATION EF956A86 Refer to DTC P0252. SCHEMATIC DIAGRAM E131FD63 Refer to DTC P0252. SIGNAL WAVEFORM AND DATA EB2702BE Refer to DTC P0252. MONITOR SCANTOOL DATA E45F7EEA 1. Connect Scantool to Data Link Connector (DLC). 2. Warm engine up to normal operating temperature. 3. Turn "OFF" electrical devices and A/C. |