p0455
Easy Fix
Land Rover · SUVs
Evaporative Emission System Leak Detected (large leak)
Quick Answer
Error code P0455 on your Land Rover SUVs means: Evaporative Emission System Leak Detected (large leak). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check and tighten fuel cap
2
Inspect all vapor hoses for cracks or damage
3
Listen for hissing sounds around fuel tank
4
Check charcoal canister for cracks
5
Test purge control valve operation
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 (optional)
Vapor hoses
Charcoal canister (if cracked)
Purge control valve (if faulty)
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