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Home >> Lexus >> 2017 >> GS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (3 Of 7) >> SFI System >> DTC P0190-23: Fuel Rail Pressure Sensor "A" Signal Stuck Low; DTC P0190-24: Fuel Rail Pressure Sensor "A" Signal Stuck High [10/2015 - 09/2017] >> Description

DTC P0190-23: Fuel Rail Pressure Sensor "A" Signal Stuck Low; DTC P0190-24: Fuel Rail Pressure Sensor "A" Signal Stuck High [10/2015 - 09/2017]: Description

Refer to DTC P0190-11.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0190-23 Fuel Rail Pressure Sensor "A" Signal Stuck Low Although engine has been stopped and left as is for a long time, high pressure side fuel pressure is higher or lower than threshold (2 trip detection logic).
  • Fuel pressure
  • Fuel pressure sensor (for high pressure side)
  • Open or short in fuel pressure sensor (for high pressure side) circuit
  • ECM
Comes on DTC stored SAE: P0191
P0190-24 Fuel Rail Pressure Sensor "A" Signal Stuck High When target high pressure side fuel pressure changes, the change in fuel pressure sensor value is abnormal (2 trip detection logic).
  • Fuel pressure
  • Fuel pressure sensor (for high pressure side)
  • Open or short in fuel pressure sensor (for high pressure side) circuit
  • ECM
Comes on DTC stored SAE: P0191