p0455
Easy Fix
Volvo · Sedans & Wagons
EVAP Large Leak
Quick Answer
Error code P0455 on your Volvo Sedans & Wagons means: EVAP Large 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 filler cap and replace if damaged
2
Check all EVAP hoses for cracks or disconnection
3
Verify charcoal canister condition
4
Test purge control valve solenoid
5
Smoke test EVAP system for large leaks
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 filler cap
EVAP hoses
Charcoal canister
Purge control valve
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