OBD-II code · Powertrain (generic, extended)
P2416 EVAP Switching Valve Performance
The EVAP switching valve responds electrically but does not produce the expected pressure change. Often a stuck valve seat or a torn diaphragm.
Is it safe to drive with P2416?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyValve seat stuck
- PossibleDiaphragm torn
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
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Evap Switching Valve
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.