p1457
Easy Fix
Acura · SUVs
Evaporative Emission System - Leak Detected (Fuel Filler Cap)
Quick Answer
Error code P1457 on your Acura SUVs means: Evaporative Emission System - Leak Detected (Fuel Filler Cap). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check fuel filler cap for damage or loose fit
2
Tighten or replace fuel filler cap
3
Inspect fuel filler neck for damage
4
Check vapor lines for cracks
5
Perform leak test with smoke tester
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 filler cap
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