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Home >> Lexus >> 2018 >> LS 500 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (10 Of 14) >> SFI System >> DTC P107A-2A: Fuel Rail Pressure Sensor (Low) Signal Stuck in Range; DTC P107A-64: Fuel Rail Pressure Sensor (Low) Signal Plausibility Failure [12/2017 - 09/2019] >> Description

DTC P107A-2A: Fuel Rail Pressure Sensor (Low) Signal Stuck in Range; DTC P107A-64: Fuel Rail Pressure Sensor (Low) Signal Plausibility Failure [12/2017 - 09/2019]: Description

Refer to DTC P107A-11.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P107A-2A Fuel Rail Pressure Sensor (Low) Signal Stuck in Range When the target fuel pressure for the low pressure side changes, the change in the No. 2 fuel pressure sensor (for low pressure side) value is abnormal (2 trip detection logic).
  • Leak of fuel
  • Fuel pump control ECU
  • No. 2 fuel pressure sensor (for low pressure side)
  • Fuel pump (for low pressure side)
  • Fuel main valve assembly (for high pressure)
  • ECM
Comes on DTC stored SAE: P107B
P107A-64 Fuel Rail Pressure Sensor (Low) Signal Plausibility Failure When the fuel pump on the low pressure side is operated at the maximum during a fuel cut, the low pressure side fuel pressure is higher or lower than threshold (2 trip detection logic).
  • Leak of fuel
  • Fuel pump control ECU
  • No. 2 fuel pressure sensor (for low pressure side)
  • Fuel pump (for low pressure side)
  • Fuel main valve assembly (for high pressure)
  • ECM
Comes on DTC stored SAE: P107B