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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Control System - Diagnostic Codes (P0171-P0190)) >> 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 [03/2022 - 03/2023] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs P0191: Fuel pressure sensor rationality (stuck monitor)
P0191: Fuel pressure sensor rationality (correlation monitor with barometric pressure)
Required Sensors/Components (Main) Fuel pressure sensor (for high pressure side)
Required Sensors/Components (Related) Atmospheric pressure sensor (ECM)
Frequency of Operation Continuous
Duration Within 30 seconds: Stuck monitor
Within 10 seconds: Correlation monitor with barometric pressure
MIL Operation 2 driving cycles
Sequence of Operation None
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