P0442Infiniti Q60Years: 1996 - 2026
Evaporative Emission Control System Leak Detected (Small Leak)
Reviewed by ASE Certified Technician
What does this mean?
Code P0442 indicates the PCM has detected a small leak in the EVAP system. This is commonly caused by a loose or worn gas cap, but can also be caused by small cracks in EVAP hoses or a faulty purge valve.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Infiniti Q60 models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Loose, damaged, or missing gas cap
Cracked or disconnected EVAP hose
Faulty EVAP purge control valve
Faulty EVAP vent valve/solenoid
Saturated or damaged EVAP charcoal canister
Symptoms to Watch For
- Check Engine Light is illuminated
- Strong fuel odor from vehicle
- Failed emissions test