p0456
Moderate
Volvo · SUVs
Evaporative Emission System Leak (Very Small Leak)
Quick Answer
Error code P0456 on your Volvo SUVs means: Evaporative Emission System Leak (Very Small Leak). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Inspect fuel cap seal
2
Check all fuel system connections
3
Look for small cracks in hoses
4
Test charcoal canister seal
5
Replace fuel cap if damaged
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
fuel line sealant
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