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P0449 on HYUNDAI SONATA

Severity
Medium
NHTSA Reports
3
Most Affected
2011

What P0449 Means on Your HYUNDAI SONATA

Real HYUNDAI SONATA Owner Reports (Source: NHTSA Complaints Database)

"I tried pumping gas and the car would not let me pump the gas into the car. I had to hold the the gas pump hose and pull the trigger myself to pump the gas, which would still make the clicking stop noise that stops the pumping of the gas. Then when I started driving, the check engine light came on."

— 2011 HYUNDAI SONATA owner • FUEL/PROPULSION SYSTEM • Filed 12/05/2024

"When my car is turned on there is a very noticeable shake coming from the engine area. It's not that bad once the car is driving. However, I was driving 40 miles an hour when my check engine light came on, then I was unable to accelerate and my car stalled (it's an automatic car)."

— 2011 HYUNDAI SONATA owner • VEHICLE SPEED CONTROL,ENGINE • Filed 12/06/2024

"Upon accelerating to enter traffic the engine stalled. Subsequent attempts to restart the vehicle have been unsuccessful. The engine will not turn at all. A mechanic determined the engine was locked."

— 2011 HYUNDAI SONATA owner • ENGINE • Filed 04/26/2022

Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.

Common Causes of P0449 on HYUNDAI SONATA

33.3%
33.3%
33.3%

Percentages based on NHTSA complaint component analysis for this vehicle.

Complaint Trend by Year

2011
3

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.

  2. 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. 3
    Compare repair quotes

    Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.

P0449 on Other Vehicles

Data sourced from the National Highway Traffic Safety Administration (U.S. Department of Transportation) and the SAE J2012 OBD-II standard. Code definitions follow the SAE J2012 / ISO 15031-6 standard. Owner reports are filed directly with NHTSA by vehicle owners. This information is provided for educational purposes only and should not replace professional automotive diagnosis. Always consult a qualified mechanic for vehicle repair decisions.

Last updated: March 2026