Powertrain
generic / SAE
P2DDA
EVAP System Leak Detection Pump Performance/Stuck Off
The EVAP leak detection pump does not start when commanded. Motor seized, relay failure, or driver fault.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / DA
Possible causes
- Pump motor seized high
- Pump relay failed medium
- Carbon or debris buildup preventing free movement low
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: 80–500 €
- Estimated time: 0.5–2 h
- Component: evap leak detection pump
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012