2020 Kia Soul power train problems

“The vehicle experienced complete and sudden engine failure while actively driving on a roadway. The engine began making loud, violent knocking noises, the check engine light illuminated, and the vehicle completely stopped and lost all motive power mid-drive. I believe this is directly caused by the defective piston oil rings covered under NHTSA Safety Recall Campaign 21V-259 (Kia Campaign SC209). The vehicle had only just begun exhibiting these severe symptoms on the exact day it stopped working. The loud engine knocking, immediate check engine light, and rapid internal oil loss all occurred rapidly within hours of each other on the same day, leading directly to the total mechanical failure and seizure. The engine component is currently intact and remains completely available for physical inspection upon request. The engine in my Kia Soul is the 2.0L Nu MPI. The vehicle was towed to an authorized Kia dealership service center. The dealership confirmed that the engine has completely failed and had loud knocking sounds, but they are attributing the issue to an external leak in an attempt to deny coverage under Safety Recall SC209. The manufacturer (via the…”

“Vehicle Details: 2020 Kia Soul, 2.0L Nu MPI Engine Complaint Description: My vehicle is experiencing severe, excessive engine oil consumption at 99,000 miles, which has directly resulted in a P0420 diagnostic trouble code (Catalyst System Efficiency Below Threshold) due to motor oil poisoning the catalytic converter. This vehicle exhibits the exact failure mechanism, symptoms, and manufacturing defects detailed in Kia Safety Recalls SC209 and SC336 (improperly heat-treated or defective piston oil rings). However, when checking my 17-digit VIN on the Kia portal, I am informed that my vehicle is excluded from these recall campaigns. The heavy oil consumption creates a severe safety hazard. The engine rapidly drops below safe oil operating levels between scheduled maintenance intervals without illuminating an oil level warning light, putting the vehicle at high risk for sudden engine stall, total engine seizure, or an engine compartment fire while traveling at highway speeds. Because this is a known, documented manufacturing defect for this specific model year and engine type, Kia should expand Safety Recall SC209 to include my VIN and prevent a catastrophic highway failure.”

“The vehicle has experienced intermittent stalling and near-stalling while driving. The problem began after a prior Kia engine replacement related to DTC P1327/P132700. After the engine replacement, the vehicle developed additional drivability and warning-light concerns, including P0420 and communication/CAN faults. An authorized Kia dealer later documented that the vehicle had stalled a few times, identified P0420, reported a clogged catalytic converter, and found 11 additional lost-communication/CAN-related codes. The dealer stated that approximately eight additional diagnostic labor hours would be required to investigate the remaining faults. The vehicle was returned with the intermittent stalling condition unresolved. The stalling presents a safety risk because the vehicle can lose motive power unexpectedly while being driven. The vehicle remains available for inspection. The dealer confirmed the stalling complaint and performed diagnostic testing, but the complete cause has not been determined. Kia previously performed an engine replacement related to the earlier P1327 condition, and the current stalling occurred afterward.”

“The contact owns a 2020 Kia Soul. The contact stated that while driving at an undisclosed speed, the vehicle stalled without warning while releasing the accelerator pedal. The vehicle restarted after each failure. The first dealer diagnosed the vehicle and retrieved DTC: P04100 (Camshaft Position Sensor A Circuit); however, the repair failed to fix the vehicle. The vehicle was taken to Hendrick Kia of Concord (7550 Hendrick Auto Plaza NW, Concord, NC 28027); and the technicians informed the contact that the vehicle was not properly repaired. The vehicle was returned to the first dealer, and the dealer failed to duplicate the failure. The dealer dismissed the contact’s concern that the vehicle was consuming an excessive amount of engine oil. The contact was informed that adding one quart of oil per 1,000 miles was within normal operation of the vehicle. Upon investigation, the contact related the failure to Kia recall SC199. The manufacturer was notified of the failure and provided a case number and referred the contact to the NHTSA Hotline to report the failure. The vehicle was not repaired. The failure mileage was approximately 34,000.”

“While driving on the interstate at approximately 70 MPH, the vehicle suffered a sudden and complete loss of forward motive power. The engine revved, but the vehicle completely ceased forward acceleration and could not maintain highway speeds. This created an immediate safety hazard, forcing me to navigate across active lanes of highway traffic without power to reach the shoulder, narrowly avoiding a rear-end collision. Once stopped, the vehicle completely refused to engage any forward gears (Drive). However, the transmission will still engage and move backward in Reverse. This is the second time this vehicle has experienced a total transmission failure in 6 years, despite having previously had the transmission replaced at an authorized dealership under Kia Service Campaign SC199. The replacement Intelligent Variable Transmission (IVT) component has suffered an identical, catastrophic mechanical failure to the first unit. The manufacturer’s previous campaign remedy failed to permanently resolve this severe highway safety defect.”

“Engine shut off while making a turn. Took car to mechanic and he stated that the car did not display any error messages. The car also over heated while driving in freeway.”