2025 Kia K5

Shortly after a routine oil change performed at a Kia dealership, I discovered a significant oil leak underneath the vehicle the following day. Within a short period of time, the vehicle began experiencing engine-related issues including a cylinder misfire, noticeable shaking while driving, and loss of power, particularly when accelerating or driving on inclines. The vehicle also displayed a check engine light and a warning related to 12-volt battery drain. In addition, I noticed a strong burning odor coming from the engine area, which raised concerns about a possible fluid leak or internal engine issue. These conditions created a safety concern because the vehicle would hesitate and lose power during normal driving, which could increase the risk of an accident, especially in traffic or when merging or climbing inclines. The vehicle was returned to a Kia dealership for inspection. I was informed that a cylinder issue was suspected; however, only a temporary repair involving a coil swap was performed. No comprehensive diagnostic testing was completed to confirm the root cause of the problem. After the repair, the vehicle continued to exhibit abnormal behavior, including shaking and lack of power. Due to ongoing safety concerns and lack of confidence in the vehicle’s reliability, I stopped driving the vehicle. This issue occurred at relatively low mileage, raising concerns about a potential engine defect or unresolved mechanical failure.

The contact owns a 2025 Kia K5. The contact stated that the engine made an abnormally loud sound while driving and idling. The vehicle was taken to the dealer several times, but the failure could not be duplicated. The vehicle was taken to the dealer, where it was diagnosed that the tensioner and the pulley were worn out and needed to be replaced. The vehicle was repaired; however, the contact stated while driving 55 MPH six days later, the service, the battery, the low-pressure oil warning lights, and several other unknown warning lights were illuminated. The contact stated that the steering wheel and the brakes locked, causing the contact to lose control of the vehicle. The vehicle then stalled in the middle of the road. The contact stated that the vehicle that was behind swerved to avoid hitting the contact's vehicle and unexpectedly crashed into another vehicle. The contact sustained mental injuries. The driver that was behind the contact's vehicle sustained significant bleeding from the forehead, back, and neck pain, and abrasions on the neck, arms, legs, and other parts of the body. The driver's vehicle was significantly damaged. The other driver whose vehicle was crashed into was an older individual, who sustained a broken arm, broken neck and collar bone, abrasions on the facial area, injured back, and a broken nose. The driver's vehicle was totaled. Both drivers were transported to the hospital by ambulance. No further information was provided. A police report was filed, but the contact did not have the police report information available. The vehicle was towed to a second dealer, Kia Delray(2255 S Federal Hwy, Delray Beach, FL 33483), where it was determined that the pulley and the tensioner had detached. The vehicle was not repaired. The manufacturer was notified of the failure and several cases were opened, but no further assistance was provided. The failure mileage was approximately 2,230.