p0456
Easy Fix
Skoda · SUVs
Evaporative Emission System Leak Detected (Small)
Quick Answer
Error code P0456 on your Skoda SUVs means: Evaporative Emission System Leak Detected (Small). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect and replace fuel tank cap
2
Check fuel filler neck for damage
3
Pressurize EVAP system and inspect for leaks
4
Examine vent solenoid valve operation
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Fuel tank cap
EVAP lines and connectors
Vent valve
Teflon tape for sealing
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