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Home › Honda › 2023 › Pilot Elite › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTC Diagnostics (P0201 - P0A11) › Troubleshooting › DTC P04DF › Overview

DTC P04DF: Overview

If the FTP sensor value fluctuates from negative pressure to atmospheric pressure after the engine is stopped, the PCM determines an abnormality and stores the DTC.