This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The contact owns a 2018 Kia Optima. The contact stated that the vehicle was sputtering while being started. The contact stated that the vehicle also sputtered while driving at various speeds, and while reversing. The check engine warning light was illuminated. The vehicle was taken to the dealer and the contact was informed that oil was getting onto the spark plugs and ignition coils. The spark plugs and ignition coils were replaced; however, the failure persisted. The manufacturer was not made aware of the failure. The approximate failure mileage was 70,000.
Vehicle is making a noise when trying to accelerate. Have replaced all spark plugs and coil #4. It is making noise still and shaking. Coil has been switched and issues are reading fuel injector or air intake or electrical. Previous reading was head gasket... Only on spark plug 4 coil is it reporting an issue...All dealerships locally are booked to even get a diagnostic test.
- Dallas, TX, USA
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- Pittsburgh, PA, USA