WHILE DRIVING ON A FREEWAY AT APPROXIMATELY 70MPH, MY SONATA STOPPED ACCELERATING. I HAD TO PULL OFF THE ROAD IN THE MIDDLE OF TRAFFIC AS MY CAR WAS RAPIDLY DECELERATING. I TURNED OFF THE IGNITION, AND AFTER LETTING IT SET FOR A FEW MINUTES, I WAS ABLE TO START UP AGAIN AND PROCEED WITHOUT TROUBLE. THIS HAS HAPPENED THREE TIMES IN SINCE, BOTH ON A FREEWAY AND ONCE ON A SIDE STREET. I AM ON MY WAY …
2009 Hyundai Sonata engine problems
moderate 33 complaints filed with NHTSA · avg repair $3,100
Complaints
33
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
The contact owns a 2009 Hyundai Sonata. The contact stated while attempting to start the vehicle, the vehicle failed to start. The contact stated that the check engine warning light was illuminated. The vehicle was jump-started and driven to a local mechanic where it was diagnosed with engine failure. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure milea…
Common questions
How serious is the engine problem on the 2009 Hyundai Sonata?
It's a documented issue but not catastrophic. 33 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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