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Home › Acura › 2022 › MDX Base › Repair and Diagnosis › Engine Performance › System › Engine Control System DTC Diagnostics (P0335 - P0523) › DTC Troubleshooting › DTC Troubleshooting: P0400 (3.5L Engine) › Overview

DTC Troubleshooting: P0400 (3.5L Engine): Overview

If the EGR flow rate is lower than a specified value, the PCM determines an abnormality and stores the DTC.