DTC P0191: Fuel Rail Pressure Sensor Circuit Range / Performance [10/2017 - ]: Description

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0192 (Refer to DESCRIPTION ).

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): Although engine has been stopped and left as is for a long time, high pressure side fuel pressure is higher or lower than threshold. When target high pressure side fuel pressure changes, the change in fuel pressure sensor value is abnormal.	Fuel pressure Fuel delivery pipe with sensor sub-assembly LH (fuel pressure sensor (for high pressure side)) Open or short in fuel pressure sensor (for high pressure side) circuit ECM	Comes on	DTC stored