Defect
On certain vehicles equipped with a 2.0 L NU GDI or 2.4 L Theta II MPI engine, an engine compartment fire could occur while driving. Kia is conducting this recall as a preventative measure to prevent fire risk due to potential fuel leaks, oil leaks and/or engine damage. In some situations, you may notice any of the following symptoms: there could be an abnormal knocking noise from the engine; the check engine light and/or the oil pressure warning light could turn on; you may smell fuel, burning or smoke; or you may notice oil leaks. If you continue to drive the vehicle with these symptoms, the engine could fail and/or a fire could occur. An engine failure can cause a sudden loss of power with an inability to restart. Note: For the Optima model, only the Optima Hybrid is affected by this recall.
Safety Risk
An engine compartment fire can create a risk of injury. A sudden loss of engine power could increase the risk of a crash.
Remedy
Kia will notify owners by mail and instruct you to take your vehicle to a dealer for an inspection of the engine and engine compartment. The dealer will inspect for fuel and/or engine oil leaks, perform an engine test and make any repairs, including engine replacement, if necessary. Kia will also perform a Knock Sensor Detection System (KSDS) software update free of charge, once it is available for your vehicle. This update will detect and prevent engine damage from worn connecting rod bearings.