Powertrain
generic / SAE
P24C0
EVAP System Leak Detection Pump Switching Valve Stuck On
The LDP switching valve is stuck in the activated position. The evaporative system captures fuel vapor from the tank and purges it into intake; leaks or stuck purge valves leak hydrocarbons and cause emissions failures.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / C0
Possible causes
- Valve stuck on high
- Carbon or debris buildup preventing free movement low
- Component wear with age - mechanical play 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: 120–400 €
- Estimated time: 0.6–1.8 h
- Component: evap leak detection pump switching valve
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012