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DTC P0191: Fuel Rail Pressure Sensor Circuit Range / Performance [03/2019 - ]: Description

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 the 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 pressure sensor
  • Open or short in fuel pressure sensor circuit
  • ECM
Comes on DTC stored