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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Control System - Diagnostic Codes (P0171-P0195)) >> 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 [10/2022 - 08/2023] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
STUCK MONITOR

Malfunction counter 5 times or more
Fuel pressure sensor (for high pressure side) output deviation Less than 0.3 MPa (3.1 kgf/cm2 , 43.5 psi)
CORRELATION MONITOR WITH BAROMETRIC PRESSURE

Malfunction counter 5 seconds or more
Fuel pressure sensor (for high pressure side) output Less than -1.881 MPa (-19.2 kgf/cm2 , -273 psi) or higher than 2.543 MPa (25.9 kgf/cm2 , 369 psi)
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