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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System (PHEV) >> Fuel Pressure Sensor (FPS) >> Schematic Diagrams >> Fail-Safe Mode
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Fail-Safe Mode

Item Fail-Safe
Output Voltage (V) 12

If the fuel pressure sensor malfunctions, it enters fail safe mode. This means that the fuel pressure rises to match the increased level of current while the pressure in the low pressure fuel line remains static despite the rise in fuel pressure.