EVAP System High Purge Flow Detected
P04DF may mean the ECM/PCM is seeing EVAP purge flow behavior that is higher than expected or not plausible for the commanded state.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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P04DF: EVAP System High Purge Flow Detected
Vehicle-specific published guides for this diagnostic trouble code.
EVAP System High Purge Flow Detected
P04DF is an EVAP system code where the PCM may be seeing fuel tank pressure behavior that does not match expected EVAP sealing or venting behavior after shutdown.
Article vehicle: 2016-2024 Honda Civic 1.5TurboGas
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EVAP System High Purge Flow Detected
P04DF may indicate an EVAP system pressure behavior fault involving how the PCM interprets the EVAP leak check module signal after the engine is stopped.
Article vehicle: 2020-2025 Honda Cr V 2.0Hybrid
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Evaporative Emission (EVAP) System High Purge Flow Detected
P04DF generally means the EVAP system may be showing purge flow behavior that the PCM sees as too high or not plausible for the current conditions.
Article vehicle: 2016-2024 Honda Civic 2.0 Gas
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EVAP System High Purge Flow Detected
P04DF may mean the PCM is seeing EVAP purge flow or EVAP pressure behavior that is higher than expected during purge monitoring.
Article vehicle: 2017-2025 Honda Cr V 1.5TurboGas
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