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.
Both of the following conditions are met
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Deviation of actual valve timing and target valve timing
More than 5°CA (Crankshaft Angle) for 5 seconds or more