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Fuel Rail Pressure Sensor (RPS)

G15500760Courtesy of HYUNDAI MOTOR AMERICA

A fuel Rail Pressure Sensor (RPS) is mounted to the fuel rail and it senses fuel rail pressure. The Gasoline Direct Injection (GDI) Engine Control Module (ECM) operates a fuel pressure control valve with the signals from the fuel RPS to control optimized RPM and rail pressure.

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