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P0441 on Hyundai Sonata

EVAP System Incorrect Purge Flow

NHTSA Reports

Severity

medium

Most Affected

2005, 2018

Crashes / Fires

0 / 0

Source: NHTSA Complaints Database · SAE J2012

Last reviewed: Aug 8, 2026 Last updated: Aug 8, 2026

Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Hyundai Sonata context without treating complaints as confirmed diagnoses.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0441.
NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What P0441 Means on Your Hyundai Sonata

P0441 is a diagnostic trouble code indicating: EVAP System Incorrect Purge Flow. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 HYUNDAI SONATA owners have reported this issue to NHTSA across model years 2005-2018. Most reports come from the 2005, 2018 model years. The most commonly reported component is Fuel System, Gasoline (50.0% of reports).

Real Hyundai Sonata Owner Reports

Source: NHTSA Complaints Database

"Check engine light goes on (and produces code of p0441) . from that point forward, whenever you add gas to the tank, the car hard starts and continually stalls. purge control valve replacement becomes necessary to eliminate the problem."

— 2005 Hyundai Sonata owner · FUEL SYSTEM, GASOLINE · Filed 2011-03-19

"Coding P0507 Idle air control system Rpm higher than expected P0441 Evaporator emissions incorrect purge flow P0420 Catalyst system below threshold"

— 2018 Hyundai Sonata owner · UNKNOWN OR OTHER · Filed 2020-11-27

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

'05

'18

Common Causes on Hyundai Sonata

Based on NHTSA complaint component analysis for this vehicle.

FUEL SYSTEM, GASOLINE 50%

UNKNOWN or OTHER 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.