Monitor Strategy
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.
| 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 |