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Problems with 2015 Kia Optima ENGINE

On average, the 2015 Kia Optima starts to “feel” problems with the ENGINE and its various aspects after 73 799 miles.

Recently reported ENGINE problems on 2015 Kia Optima

Oil light began to flicker, right before the engine began making horrible grinding noises. engine blew shortly after. vehicle was up to date on normal scheduled maintenance.

Tl* the contact owns a 2015 kia optima. the contact stated that while driving at any speed, the vehicle made an abnormal noise without warning. the vehicle was taken to a dealer (dennis eakin kia 5200 e central texas expy, killeen, tx 76543) where it was diagnosed that the vehicle needed a oil change. the vehicle was not repaired but the failure reoccurred. the manufacturer was not made aware of the failure. the approximate failure mileage was 130,000.

I have a 2015 kia optima with 74,000 miles. as i was driving my vehicle on a city street when suddenly it started shaking and released black smoke prior to engine failure. a vehicle behind me had to brake and swerve to miss hitting me. this incident occurred on january 10, 2020. i received a diagnosis from the dealership confirming the vehicle had engine failure due to knock sensor and compression issues. also stated that the head gasket is damaged. i contacted kia and initially they stated if the engine failure was due to a knock sensor issue, it would be covered. after waiting nearly 20 days kia is stating that my vehicle is out of warranty. any advice on remedies or what could be done to have my vehicle fixed is greatly appreciated.

Vehicle was in motion on a busy highway when this happened. i would hit the gas and the car would try to stall, it did stall on several occasions. the car would jerk and the engine would start knocking.

I was driving on the highway when my car stopped without any warning. i got it towed to a repair shop. it started back up and running but was making a weird noise coming from the engine. i drove the car home and took it to a repair shop to get a diagnostic check and the engine oil was very thick. i just had an oil change 2 month ago. i have only 104.000 miles on the car and i took very good care of the car.

My son was driving the car , when he had to pull over and realize the smoke coming from the hood. when he opened the hood the engine was on fire. this cat was just recently purchased 3weeks prior to the engine catching on fire. the car was purchased through paulding chrysler dealership. a down payment was made towards the purchase

I started having issues with my vehicle in october 2019, i tried to reach out to kia dealerships, with no help. i kept being told there were no recalls on my car and that i did not need to be concerned. my car finally stopped working, it just would not drive. it was jumping from 0-7000 rpms and then flying forward before it stopped working altogether. around the moment it stopped driving it started smoking and i just pulled over and turned it off and then it wouldn't even go into neutral for a tow truck. i placed a brand new transmission into my car even while making a car payment on it on november 23rd 2019, it is now december 11, 2019 and i have only driven it 302 miles and i am having the same issues on it. when i call kia i am told that there isn't anything they can do to fix the vehicle and that i need to have it diagnosed again for a charge of 170.00. i am now way upside down on the vehicle and am continuing to have issue after issue with it. i do not recommend this car. i have two ...

Sudden engine knock and sudden engine failure while vehicle was in motion in front of a high school. this incident requires engine replacement.

I wanted to add more information to my complaint. when in motion in front of high school car went into limp mode with knocking noise coming from engine. my husband is a mechanic and discovered metal flakes inside engine. i was never notified of any recalls involving the engine. now i have to purchase a new or remanufactured engine costing estimated $3000 to $4500 not including core charges and shipping fees.

Tl* the contact owns a 2015 kia optima. the contact noticed a knocking noise coming from the engine. the vehicle was taken to an independent mechanic, but was not diagnosed or repaired. the vehicle was not taken to a dealer. the contact stated that the vin was not included in nhtsa campaign number: 18v907000 (fuel system, gasoline, engine); however, the failures were similar. the manufacturer was not made aware of the failure. the failure mileage was approximately 160,000.

Tl* the contact owns a 2015 kia optima. while driving 65 mph, the vehicle failed to accelerate, shuddered, lost power, and shut off without warning. also, an abnormal burning odor was detected. the vehicle was towed to an independent mechanic. the local dealer and manufacturer were not contacted. the vehicle was not diagnosed or repaired. the failure mileage was 80,000.

As i was driving on the interstate 3 vehicles passed waving frantically before speeding by. i noticed a reflective orange flicker along the base each vehicle. this was followed up by a loud knocking sound before i lost all accelerating power but retained rpm revs as i pressed the pedal. i allowed the momentum to get me as far up the exit ramp as possible prior to pulling over onto the grass. i placed the car in park and turned it off to be met with an instant roll of smoke up the front windshield, out of the front grill, and from the passenger side tire area. i exited the vehicle to the sound of liquid hitting a hot surface and hissing. i stepped away from the vehicle and looked underneath to be met with rolls of fire dripping to the ground from beneath the engine and along the bottom center of the undercarriage of the car. i immediately cleared the area and my vehicle was complete engulfed in flames in less than 4 minutes. no sensors or alarms notified me of any type of malfunction.

While i was driving the lights on my dashboard came on and the car began to lose power/speed and then the car stopped and i was unable to restart the engine and some minor smoke and weird smell

Half of the engine was replaced in july 2019. now burns oil like crazy. on october 29th 2019 while driving at about 40 mph the entire electrical system shut off leaving me with no power steering. i was able to get off the road safely and call for a tow. i am second owner so warranty is out by about 2,600 miles. dealer had i for a week at one point they said it was fixed when they were pulling it around front for me it stopped.

While driving on the highway, had to slow down for a vehicle in front of me. after this i tried to accelerate the vehicle, it was not responding and all the dashboard lights came on. now the vehicle started slowing down and luckily it lasted until the exit and i had to stop on the ramp and get my vehicle towed to the nearby mechanic.