2011 Hyundai Sonata: Engine stalled cut-off while driving
Common wear/failure (not a recall)
Symptoms
Owners of the 2011 Sonata report: engine stalled cut-off while driving. CarComplaints.com lists 48 owner complaints, average mileage 102,050 miles.
NHTSA has 1012 owner complaints for the 2011 Sonata in this area. Examples:
- NHTSA complaint ODI #11771950 (filed 10/18/2026): “My 2011 hyundai sonata with the 2.4l theta ii gdi engine developed an engine failure at 99,928 miles. on xxx hyundai’s dealer (mcfarland hyundai, [xxx]) ran hyundai’s t3g connecting-rod-bearing test, and the engine returned no pass. hyundai’s own test recorded…”
- NHTSA complaint ODI #11762026 (filed 09/03/2026): “I was driving down the road going the speed limit and all of a sudden it felt like i hit a brick wall my car staked out and i was stuck in the middle of the road for about 20 minutes and finally i got it to start and drove home it did it again 2 months later…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replace engine (22 reports) hyundai scanned for code, unable to duplicate (1 reports) replace computer (1 reports) replaced defective brake switch (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $3,850 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Engine stalled cut-off while driving (2011 Sonata)
- NHTSA complaints API, 2011 Sonata
Page last updated .