What does code P0442 mean on a Chrysler and is it safe to drive?
P0442: Evaporative Emission System Leak Detected (Small Leak). Here's what it means on your Chrysler, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The EVAP system has detected a small leak. Often caused by a loose or faulty gas cap or a small hose leak.
Common causes for your Chrysler
- Loose, damaged, or wrong gas cap
- Cracked or disconnected EVAP hose
- Faulty purge or vent valve
- Leaking charcoal canister
Symptoms
- Check Engine Light
- Often no driveability issues
Typical fixes
- Tighten or replace gas cap
- Smoke test EVAP system
- Replace damaged hoses or valves
Repair cost range
For a Chrysler, repairs for P0442 often fall between $15 and $300, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Chrysler
Chrysler P0442 on Pentastar and HEMI engines mirrors Dodge's EVAP diagnosis. Check the gas cap first; the EVAP vent solenoid near the fuel tank and the large EVAP hose routing are secondary failure points.
Most commonly affected models
300 2005–2014Town & Country 2008–2016