p0455
Moderate
Infiniti · SUVs
Evaporative Emission Control System Leak Detected (Gross)
Quick Answer
Error code P0455 on your Infiniti SUVs means: Evaporative Emission Control System Leak Detected (Gross). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect fuel cap and replace if loose or damaged
2
Check EVAP hose connections for cracks
3
Perform smoke test to identify leak location
4
Inspect charcoal canister for damage
5
Test purge control valve operation
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
EVAP hose
Charcoal canister
Purge control valve
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