General Information

Engine Control
P0193 Fuel Rail Pressure Sensor Circuit High Input - General Information

Component Location





General Description

Fuel rail pressure sensor is mounted to fuel rail and it senses fuel rail pressure.
GDI ECM operates fuel pressure control valve with the signal from fuel rail pressure sensor to control optimized RPM and rail pressure.

DTC Description

If sensor signal input is higher than 4.7V during 0.5 sec, ECM sets DTC P0193.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data




Fig.1) Normal waveform of FPS at acceleration.