What does it mean?
P04DF is a Emission Control System fault code. It indicates: EVAP System Purge Control Valve A Performance/Stuck Open.
EVAP System Purge Control Valve A Performance/Stuck Open
Severity
Low
Can I keep driving?
Usually drivable; have it fixed at the first opportunity.
How is this code read?
This is a standard OBD-II code; any basic scanner reads it on vehicles built after 2004.
- PPowertrain
- 0Generic code
- 4Emissions
- DFSequence number
Codes From the Same System
All Fault Codes- P0400Exhaust Gas Recirculation Flow Malfunction
- P0401Exhaust Gas Recirculation Flow Insufficient Detected
- P0402Exhaust Gas Recirculation Flow Excessive Detected
- P0403Exhaust Gas Recirculation Circuit Malfunction
- P0404Exhaust Gas Recirculation Circuit Range/Performance
- P0405Exhaust Gas Recirculation Sensor A Circuit Low
- P0406Exhaust Gas Recirculation Sensor A Circuit High
- P0407Exhaust Gas Recirculation Sensor B Circuit Low
Related Similar Codes
- P04D0EGR Temperature Sensor C Circuit Low
- P04D1EGR Temperature Sensor C Circuit High
- P04D2EGR Temperature Sensor C Circuit Intermittent/Erratic
- P04D3Exhaust Brake Input Circuit
- P04D4Exhaust Brake Input Circuit Range/Performance
- P04D5Exhaust Brake Input Circuit Low
- P04D6Exhaust Brake Input Circuit High
- P04D7Exhaust Brake Input Circuit Intermittent/Erratic
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.