What this code means

A small leak has been detected in the EVAP system.

Symptoms

• Check Engine Light
• Slight fuel smell possible

Common causes

• Loose gas cap
• Small crack in EVAP hose
• Faulty purge or vent valve seal
• Charcoal canister micro-crack
• Fuel tank leak

Diagnostic steps

1. Tighten gas cap and clear code
2. If returns, perform smoke test on EVAP system
3. Inspect all EVAP hoses
4. Check purge and vent valve seals
5. Inspect charcoal canister

Repair notes

Check gas cap first. Small leaks often require smoke test to find.

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