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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Engine Control System Diagnosis - 1.6L (1 Of 3) (Except HEV)) >> DTC P0191: Fuel Rail Pressure Sensor Circuit Range/Performance >> General Description

DTC P0191: Fuel Rail Pressure Sensor Circuit Range/Performance: General Description

WARNING: This page is about a different variant/trim than selected.

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.

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