p0456
Easy Fix
Land Rover · SUVs
Evaporative Emission System Leak Detected (very small leak)
Quick Answer
Error code P0456 on your Land Rover SUVs means: Evaporative Emission System Leak Detected (very small leak). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect fuel cap closely for defects
2
Check all vapor line connections for tightness
3
Look for small cracks in hoses
4
Test purge vent solenoid resistance
5
Clear code after repairs and retest
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
Vapor hoses (small diameter)
Hose clamps
Purge vent solenoid (optional)
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