p0455
Easy Fix
Nissan · Sedans
Evaporative Emission System Leak Detected (Large)
Quick Answer
Error code P0455 on your Nissan Sedans means: Evaporative Emission System Leak Detected (Large). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check fuel cap and replace if damaged
2
Inspect hoses and connections for cracks
3
Check charcoal canister for damage
4
Test purge control valve
5
Use smoke test to locate leak
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
Evaporative hoses
Charcoal canister
Purge control valve
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