Powertrain
Definition only
Lights the check engine lamp
P2DFD: EVAP System Purge Pump Performance
Standardized SAE J2012 code · P2Dxx codes
What does P2DFD mean?
The EVAP purge pump does not produce the expected flow during purge cycles. Pump aging, restricted line, or canister loaded.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Common causes
- High Pump output degraded
- Medium Canister saturated with hydrocarbons
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2DFD on the same make and model first.
P2DFD in the community
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