Powertrain
generic / SAE
P2419
EVAP Switching Valve Stuck Open
The EVAP switching valve cannot close. Tank pressure cannot be isolated for the leak detection test, and purge routing may bypass the canister.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 19
Possible causes
- Valve stuck open mechanically high
- Drive circuit always energised 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: 60–400 €
- Estimated time: 0.5–2 h
- Component: evap switching valve
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012