HomeDTC Codes › P1457

P1457 — EVAP Canister Purge System Leak (Honda)

Honda-specific EVAP leak detected.

Severity: LowRepair: $0-$400Difficulty: Easy

Don't guess — diagnose P1457 the right way

ScanFixAI reads every module, finds the real root cause, and tells you exactly what to check.

Download ScanFixAI Free

Common symptoms of P1457

Common causes of P1457

Repair cost & difficulty

Typical cost to fix P1457: $0-$400 · Difficulty: Easy

Pro tip: Honda uses P1457 instead of generic P0442/P0456. Same diagnosis — check gas cap first, then smoke test.

Vehicles commonly affected

Honda/Acura

Related trouble codes

© 2026 ScanFixAI · AI-powered car diagnostics. All trouble codes · Home · Compare

ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.