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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Control System - Diagnostic Codes (1 Of 6)) >> SFI System >> DTC P008A-00: Low Pressure Fuel System Pressure - Too Low [12/2023 - ] >> Description

DTC P008A-00: Low Pressure Fuel System Pressure - Too Low [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

In order to supply the optimal fuel pressure according to the driving conditions and usage environment, the variable fuel system sends a drive signal from the ECM to the fuel pump control ECU, steplessly performing variable control of the fuel pump (for low pressure side) and receiving feedback about the fuel pressure from the fuel pressure sensor (for low pressure side).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P008A-00 Low Pressure Fuel System Pressure - Too Low Actual fuel pressure value less than target fuel pressure by threshold or more (1 trip detection logic).
  • Leak of fuel
  • Fuel pump control ECU
  • Fuel pressure sensor (for low pressure side)
  • Fuel pump (for low pressure side)
  • Fuel main valve assembly (for high pressure)
  • ECM
- Engine B SAE Code: P008A