p0455
Easy Fix
Peugeot · Sedans & Hatchbacks
Evaporative Emission System (EVAP) Leak Detected (Large)
Quick Answer
Error code P0455 on your Peugeot Sedans & Hatchbacks means: Evaporative Emission System (EVAP) Leak Detected (Large). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check fuel cap for damage and secure tightly
2
Perform smoke test on EVAP system
3
Inspect fuel lines for cracks
4
Check canister connections for leaks
5
Replace fuel cap or canister if damaged
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 cap
Charcoal canister
Fuel lines
Hose clamps
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