Typical Malfunction Thresholds
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
P0400
| Manifold pressure change* | Less than 1.72 kPa [0.25 psi] (at engine speed 1000 rpm) |
P0401 (EXCEPT MEXICO MODELS)
| Manifold pressure change* | Less than 1.72 kPa [0.25 psi] (at engine speed 1000 rpm) |
| Manifold pressure | Less than 41.5 kPa [6.02 psi] |
P0402 (EXCEPT MEXICO MODELS)
| Manifold pressure change* | Less than 1.72 kPa [0.25 psi] (at engine speed 1000 rpm) |
| Manifold pressure | 41.5 kPa [6.02 psi] or more |
| *: Calculated by EGR valve open and close | - |