p1457
Moderate
Acura · Sedans
Evaporative Emission Control System Leak Detected (Fuel Tank Area)
Quick Answer
Error code P1457 on your Acura Sedans means: Evaporative Emission Control System Leak Detected (Fuel Tank Area). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
DE3/DE4DC5/DN2DN2NC1KC1UA6CU2
Likely Causes
  1. Damaged fuel filler neck gasket
  2. Cracked fuel tank
  3. Loose fuel cap
  4. Faulty fuel tank pressure sensor
  5. Deteriorated fuel hose connections
How to Fix It
1
Inspect fuel cap condition and seal
2
Check fuel filler neck gasket for damage
3
Test fuel tank pressure sensor
4
Inspect all fuel hose connections
5
Perform smoke test on fuel system to locate leaks
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
Fuel filler neck gasket
Fuel hoses
Related Error Codes
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