P0442 Low Powertrain

EVAP Control System Small Leak Detected

Common Causes

Loose or cracked fuel cap
Small crack in EVAP hoses or canister
Faulty purge valve not sealing
Faulty vent valve

Common Symptoms

Fuel Cap Light / EVAP Leak Fuel Smell

Related Videos

3:02
P0442 Code Explained: Easy Fix for Small EVAP Leak !
WeeklyTools 163K views
2:20
How to Fix P0442 Engine Code in 3 Minutes [2 DIY Methods / Only $4.67]
nonda 881K views
4:09
Causes and Fixes Chevy/GMC P0442 Code: Evaporative Emission System Sma...
HVAC Mechanic 247K views

Was this information helpful?

Quick Info

Code P0442
System Powertrain
Severity Low

Disclaimer

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

Track your repair and verify the fix with the FaultFix app

Connect an OBD2 scanner · rescan after the repair · earn a verified fix credit

App Store Google Play