Engine Failure problems of the 2015 Kia Motor Optima

21 problems related to engine failure have been reported for the 2015 Kia Motor Optima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Kia Motor Optima based on all problems reported for the 2015 Optima.

1 Engine Failure problem

Failure Date: 02/21/2023

2015 kia Optima. Consumer writes in regard to engine failure.

2 Engine Failure problem

Failure Date: 04/26/2021

The contact owns a 2015 kia Optima. The contact was driving at 75 mph, when she slowed down to 50 mph to switch lane then attempted to accelerate however, the vehicle would not exceed 60 mph. The vehicle was driven for about 2 more miles before it was towed to an independent mechanic to be diagnosed. The contact was informed that the alternator needed to be replaced. The alternator was replaced however, the vehicle failed to restart. The independent mechanic then contacted a kia dealer and was informed by the dealer that there was a recall for the vehicle with NHTSA campaign number: 20v519000 (service brakes, hydraulic). The vehicle was then towed to parkway family kia (22555 us-59, kingwood, TX 77339) to be diagnosed. The mechanic determined that the engine failed and needed to be replaced. The dealer determined that the failure was due to the recall. The dealer then sent the diagnostic findings to the manufacturer for the recall repair approval however, the manufacturer informed the dealer that because the contact had not done the manufacturer communications product improvement upgrade: vpi1802 (engine) the recall would not be honored. The contact stated that she never received the notification from the manufacturer about the product improvement upgrade because it was sent to an old address that she no longer lived at. The vehicle remained at the dealer unrepaired. The approximate failure mileage was 143,000.

3 Engine Failure problem

Failure Date: 12/18/2020

Tl the contact owns a 2015 kia Optima. The contact received notification of NHTSA campaign number: 20v519000 (service brakes, hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while driving 75 mph, the vehicle loss motive power and stalled without warning. The contact pulled off the roadway and attempted to restart the vehicle however, the vehicle failed to start. The vehicle was towed to an independent mechanic to be diagnosed however, the mechanic was unable to duplicate the failure. The vehicle then was towed to victory kia (5101 n. Navarro st, victoria, TX 77904, (361) 333-4542) to be diagnosed. The contact was informed that the engine failed and needed to be replaced. The manufacturer was made aware of the failure. The parts distribution disconnect. The failure mileage was approximately 70,000.

4 Engine Failure problem

Failure Date: 05/22/2020

Tl- the contact owns a 2015 kia Optima. The contact stated that while driving approximately over 40 mph when the vehicle suddenly stalled, there were no warning lights. The contact had the vehicle towed to the dealer (langdale kia address: 1508 n ashley st, valdosta, GA 31602; phone: (229) 242-0715) who diagnosed that the vehicle had engine failure and the engine needed to be replaced. The vehicle's engine was replaced under warranty and the fuel pump was replaced under the recall NHTSA campaign number: 18v907000 (fuel system, gasoline, engine). The contact stated approximately 10 days later the vehicle suddenly caught started to smoke from underneath the hood of the vehicle. The contact stated that approximately 5-8 minutes later the smoke drastically increased, then, the vehicle caught on fire. The fire department put out the fire and a fire report was made. The vehicle was towed and deemed totaled. The manufacturer was not made aware of the failure. The approximate failure mileage was 117,284. Gl.

5 Engine Failure problem

Failure Date: 05/08/2020

Engine shut down while driving at 47,700 miles causing engine failure code dtc p1326 will drop off at a kia dealership for diagnostic of engine.

6 Engine Failure problem

Failure Date: 01/10/2020

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.

7 Engine Failure problem

Failure Date: 12/07/2019

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

8 Engine Failure problem

Failure Date: 12/05/2019

I purchased a new 2015 kia Optima. Completed regular maintanence on it, and the engine failed (locked up) at 138,000 miles. Later, I was advised the 2015 kia Optima and other kia's were found to have faulty engines. Kia did not offer assistance at the time, but are now offering assistance since I have traded the kia with a locked motor. I have been given the run-around for weeks and today a "regional manger" called and offered zero assistance and basically told me the faulty motor was not their problem. When the motor locked up, I was passing a car on the highway. The Optima stalled while I was in on-coming traffic, and then the motor died. I was able to pull over safetly, and the car smelt like an electrical fire, it never started again.

9 Engine Failure problem

Failure Date: 09/19/2019

Tl-the contact owns a 2015 kia Optima. The vehicle lost motive power and stalled while driving the contact was unable to restart the vehicle the vehicle had to be towed due to engine failure the contact stated that while driving at approximately 55 mph, without warning the vehicle stalled. The contact was unable to restart the vehicle. The vehicle was towed to the contact's place of employment. The vehicle was not taken to be diagnosed nor repaired. Car pros kia huntington beach, 18835 beach blvd, huntington beach, CA 92648, (714) 274-4632, was contacted and informed of the failure. The manufacturer was not contacted or made aware of the failure. The approximate failure mileage was 75000. Ah.

10 Engine Failure problem

Failure Date: 06/26/2019

On June 26 2019 I contacted monroeville kia due to my car smoking when accelerating, I advised them it felt as if we're trying to stall. They scheduled me an appt July 9,2019. I dropped my car off and a few hours later they called and said everything was and the did some sort of engine software upgrade but found no issues. I drove off the lot and started experiencing the same issue only now I could feel the engine shaking. I contacted the dealership I purchased it from which was century 3 kia. The scheduled me for July 23, I dropped the car off and several hours later they called and said I need a new engine. They denied the claim saying it wad due to maintenance however I produced oil change receipts. The software upgrade that they did is software to detect the engine failure. They are aware it's a known issue but are not recalling their vehicles and are refusing to take responsibly for a defective product that could catch fire.

11 Engine Failure problem

Failure Date: 04/22/2019

Tl-the contact owns a 2015 kia Optima. The contact stated that while driving approximately 60 mph. The vehicle stalled. The contact coasted to the shoulder, white smoke started to emerge from the engine compartment. The contact opened the hood and a fire started in front of the fire wall. The police was not present. The fire department was not present. The vehicle was towed to the residence. The vehicle was not taken to the dealer for a diagnostic. The vehicle was towed then to an unknown independent mechanic, they determined that the engine failed and needed replacement. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 41,000. Bp.

12 Engine Failure problem

Failure Date: 04/21/2019

Normal driving operation until knocking heard during low speed. Engine knocking grew louder under acceleration. Vehicle immediately taken to mechanic who stated an engine rod may be bend. Told kia has recall for this issue. Kia stated the vehicle VIN is not a part of the recall. No heavy acceleration or use of the vehicle in the past. No indication of rod or engine failure.

13 Engine Failure problem

Failure Date: 02/28/2019

Shortly after crossing over train tracks I noticed the car would not accelerate anymore. I looked at the dashboard and observed several lights on and the rpm was at 0. I rolled to a stop and tried to restart the engine several times with no luck. I had the car towed to a local kia dealership and they later told me that the engine failed. They said they are filing a claim with kia to see what they are going to do. I previously got a letter from kia that instructed me to have a dealership update the ecu so that the car goes into "limp home" mode if there is a problem. I have never experienced anything limp. The car was at 101000 miles when the breakdown occurred. Hopefully kia replaces the engine.

14 Engine Failure problem

Failure Date: 10/17/2018

Engine failure and replacement around 86,000 miles. Now has 95,000 miles. Has shaking, burning smells, and suspected power surging. Dealer states can not replicate smell or surging. Although a resistor was burnt up. They say the shake in the car is normal due to engine design. Engine did not start shaking until 40,000 miles. Kia corporate refuses to send a tech out.

15 Engine Failure problem

Failure Date: 10/12/2018

I was driving on the highway when my engine completely failed. There was no warning or indication that a complete failure was going to occur. I had no propulsion and had to coast to the shoulder of the highway to avoid other vehicles. I owned the vehicle as the only owner (purchased vehicle brand new) for only three years when failure occurred. No one expects their vehicle to fail in a three year time period from date of purchase. The mileage at the time of failure was around 180,000 and past the warrenty. I drive for uber and purchased the vehicle to drive for uber. A new vehicle failing in a three year time span (from time of purchase) because the engine completely failed is unreasonable. Kia issued a software upgrade on my vehicle after my engine failed that addresses the exact type of failure that occurred to my vehicle (indicating that kia was aware that there were problems with their product.

16 Engine Failure problem

Failure Date: 04/09/2018

2015 kia Optima. Drove out of my parking lot and my car just cut off after I turned the corner at 4:30 in the morning heading to work. Tried to start it again it started and cut right back off. Had it towed to the kia dealer in frederick. The dealer called me and said that my engine failed because it didn't have any oil in it and it had sludge and a crack in the engine. I was further told that I needed to bring all of my oil change receipts to prove I was getting my oil changed. My car is not even 3 years old. The warranty clearly states that you are covered 10years or 100,000 miles whichever comes first. Kia is not willing to honor their wairranty which is dead wrong. Got a call today stating that it was going to cost $7200 to fix my engine. Last time I checked I was not related to rockefeller. People just don't go around deliberately cracking engines. This car needs to be recalled. How was it recalled from 2011-2014 skipped 2015 and recalled again in 2016. I've been doing my homework with this situation and there have been 98 complaints about the 2015 kia Optima which 48 of them where about the engine and kia nor NHTSA had investigated any of them. That's because they do not want to fix there issues that they knew about prior to it happening. This is a true safety hazard and something must be done about it. It is not fair that we pay so much money for a car and then when something happens to it you can't even get it fixed. But I bet if it was one of those corporate peoples cars they would have no problem honoring the warranty or better yet giving them a new car.

17 Engine Failure problem

Failure Date: 03/29/2018

Tl the contact owns a 2015 kia Optima. The contact stated that while driving at approximately 65 mph, the vehicle stalled without warning. The vehicle was able to coast to the side of the road. In addition, the contact stated that the vehicle was able to restart however, the vehicle failed to accelerate. The vehicle was towed to an independent mechanic where it was diagnosed that the engine failed and informed the contact to take the vehicle to a kia dealership. The vehicle was later towed to kia auto team delaware dealer (1603 pennsylvania Ave, wilmington, DE 19806 (877) 364-9441) where it was diagnosed that the engine needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure and a case was opened. The approximate failure mileage was 100,000. Aw.

18 Engine Failure problem

Failure Date: 10/01/2017

While driving the vehicle, the power cut off, - coasted to a complete stop. Engine does not turn over. Lights/radio etc all work, so not a battery issue. There is a recall for previous model years of this same vehicle specific to engine failture.

19 Engine Failure problem

Failure Date: 03/25/2017

The contact owns a 2015 kia Optima. The contact stated that the vehicle stalled while driving. The vehicle was taken to the dealer where it was diagnosed that the engine malfunctioned and needed to be replaced. The failure recurred without warning. The vehicle was towed to the dealer where it was diagnosed that the vehicle experienced engine failure due to maintenance related issues and the engine needed to be replaced. The manufacturer was notified of the failure. The failure mileage was approximately 58,000. The VIN was not provided.

20 Engine Failure problem

Failure Date: 10/19/2016

The contact owns a 2015 kia Optima. While the vehicle was undergoing an oil change, the vehicle stalled and the oil indicator illuminated. The vehicle was towed to a dealer where it was diagnosed that the engine failed and needed to be repaired. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was unknown.

21 Engine Failure problem

Failure Date: 07/01/2016

Engine failure with my new 2015 kia Optima at 42,000 miles. Kia denied warranty coverage due to not being able to prove all oil changes. Kia also denied knowing there was an engine defect on this 2. 4l gdi engine. Today I see an engine recall finally from kia, however they stopped premature at the 2014 model. I had to pay for a new engine to be installed out of my own pocket on a brand new vehicle.



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