P0441 Hyundai Sonata
EVAP System Incorrect Purge Flow · Powertrain Code · Low · Repair: Moderate
What is P0441?
The EVAP system is not purging fuel vapors correctly. Usually caused by a faulty purge valve or vacuum line issue.
When the Hyundai Sonata triggers code P0441 (evap system incorrect purge flow), it typically points to an issue in the powertrain system. Below you'll find the most common causes, symptoms, and repair options specific to the Hyundai Sonata.
This repair is rated moderate, meaning some experience and specialty tools required.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Hyundai Sonata.
Common Causes on Hyundai Sonata
- Failed EVAP purge control solenoid valve (stuck closed)
- Clogged or restricted EVAP purge line
- Leaking EVAP canister or vent valve
- Faulty fuel tank pressure sensor
Symptoms
- Check Engine Light on
- Slight fuel smell
- No noticeable driveability issues
Notes for Hyundai Sonata
The purge solenoid is the most common failure; it is usually located near the intake manifold and is easy to access.