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Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2013 Lexus IS 350C. However, it is still accessible from the selected car via links, so may be relevant.
Both of the following conditions 1 and 2 are met -
1. Averaged engine load value ratio Less than 0.85, or more than 1.15 (varies with estimated engine load)
2. Averaged air fuel ratio correction value Less than -20%, or more than 20%