LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Engine Control System - Diagnostic Codes (P0190-P02EE)) >> SFI System >> DTC P0190-2A: Fuel Rail Pressure Sensor "A" Signal Stuck in Range; DTC P0190-64: Fuel Rail Pressure Sensor "A" Signal Plausibility Failure [03/2023 - ] >> Description

DTC P0190-2A: Fuel Rail Pressure Sensor "A" Signal Stuck in Range; DTC P0190-64: Fuel Rail Pressure Sensor "A" Signal Plausibility Failure [03/2023 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0190-11.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P0190-2A Fuel Rail Pressure Sensor "A" Signal Stuck in Range 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 SAE Code: P0191
P0190-64 Fuel Rail Pressure Sensor "A" Signal Plausibility Failure 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 SAE Code: P0191