P0440 Low Powertrain

Evaporative Emission Control System Malfunction

Common Causes

Loose or missing fuel cap
Failed purge valve
Leaking EVAP hoses or canister
Failed vent valve

Common Symptoms

Fuel Cap Light / EVAP Leak Fuel Smell

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Quick Info

Code P0440
System Powertrain
Severity Low

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

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