DTC P0191: Fuel Rail Pressure Sensor Circuit Range / Performance [09/2014 - 11/2017]: Description

Refer to DTC P0190.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory
P0191	Fuel Rail Pressure Sensor Circuit Range / Performance	Either of following conditions is met (2 trip detection logic): When target high pressure side fuel pressure changes, the change in fuel pressure sensor value is abnormal. Although engine has been stopped and left as is for a long time, high pressure side fuel pressure is higher or lower than threshold.	Fuel pressure Fuel delivery pipe sub-assembly (fuel pressure sensor) Open or short in fuel pressure sensor circuit ECM	Comes on	DTC stored