p0455
Easy Fix
Maserati · Sedans & Sports Cars
Evaporative Emission System Leak Detected (gross leak)
Quick Answer
Error code P0455 on your Maserati Sedans & Sports Cars means: Evaporative Emission System Leak Detected (gross leak). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect fuel cap for damage and seal
2
Check all fuel lines and connections
3
Examine charcoal canister for cracks
4
Test purge control valve function
5
Perform smoke test on evaporative system
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
Fuel line hose kit
Purge control valve
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