p0456
Moderate
Dacia · SUVs & Cars
Evaporative Emission Control System Leak Detected (Small)
Quick Answer
Error code P0456 on your Dacia SUVs & Cars means: Evaporative Emission Control System Leak Detected (Small). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Verify fuel cap seal and tighten if needed
2
Inspect all EVAP hoses for small cracks
3
Test purge control valve response
4
Perform vent line integrity test
5
Check charcoal canister seal condition
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Fuel cap
EVAP hoses
Purge control valve
Charcoal canister
EVAP system diagnostic tools
Related Error Codes