P0442Low severity
Evaporative Emission System Leak Detected (Small Leak)
A small leak was detected in the EVAP system.
Common causes
- Loose fuel cap
- Small crack in EVAP hose
- Faulty purge/vent valve
Possible symptoms
- Check Engine Light on
- Slight fuel smell
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
0 — Type
Generic (SAE standard, common to all manufacturers)
4 — Subsystem
Auxiliary emission controls