Powertrain
generic / SAE
P2DFD
EVAP System Purge Pump Performance
The EVAP purge pump does not produce the expected flow during purge cycles. Pump aging, restricted line, or canister loaded.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / FD
Possible causes
- Pump output degraded high
- Canister saturated with hydrocarbons medium
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 100–600 €
- Estimated time: 0.5–3 h
- Component: evap purge pump
- Component: evap canister
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012