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.
| Time until actual engine coolant temperature reaches closed loop fuel control enabling temperature |
- 120 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [46.99°F]) or higher
- 300 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [66.99°F]) or higher and less than (closed-loop engine coolant temperature - 8.33°C [46.99°F])
- 1200 seconds: Engine coolant temperature at engine start is less than (closed-loop engine coolant temperature - 19.44°C [66.99°F])
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