OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2419?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyValve stuck open mechanically
- PossibleDrive circuit always energised
- Less likelyCarbon or debris buildup preventing free movement
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Evap Switching Valve
Related codes
- P2418EVAP Switching Valve Control Circuit Performance
- P2416EVAP Switching Valve Performance
- P2417EVAP Switching Valve Stuck Closed
- P241AO2 Sensor Signals Swapped Bank 1 Sensor 1 and Sensor 2
- P241BO2 Sensor Signals Swapped Bank 2 Sensor 1 and Sensor 2
- P241CThrottle Actuator Control System Ice Blockage Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.