TL* THE CONTACT OWNS A 2008 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING 20 MPH, THE VEHICLE BEGAN TO MAKE A LOUD TICKING NOISE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 108,000 AND THE CURRENT MILEAGE WAS 108,112.
2008 Hyundai Sonata engine problems
severe 31 complaints filed with NHTSA · avg repair $3,100
Complaints
31
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
THE ENGINE STARTED KNOCKING LOUDLY, SLOWING DOWN AND IDLING ROUGH. I PULLED OVER AND THE CAR WOULD NOT REMAIN RUNNING IN IDLE. I HAD THE VEHICLE TOWED AND INSPECTED AT THE HOUSE AND THE VALVES ARE BAD. IT HAPPENED WITHOUT ANY WARNING, LIGHTS OR GAUGES COMING ON OR PRIOR NOISE. I WAS DRIVING AROUND 45-50 TO WORK WHEN THIS HAPPENED OUT OF THE BLUE. 179,000 MILES ON THE CAR AND REGULAR OIL CHANGES S…
Common questions
How serious is the engine problem on the 2008 Hyundai Sonata?
It's a meaningful issue. 31 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
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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