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2011 Kia Optima: hesitation when accelerating

6 of the 594 complaints about the 2011 Kia Optima describe hesitation when accelerating.

owner complaints
6
of this car's complaints
1%
typical mileage
99,600
recalls
0
Is there a fix? 13 service bulletins cover this area of the car. See below

Hesitation when accelerating by model year

What owners say

Filed Nov 27, 2021 · Acceleration, Engine · FL

On NOV. 26TH 2021, I was driving my car and upon trying to accelorate, my car felt as if it was about to stall out. I pressed the gas and I barely moved. My engine light went on immediately and it's constantly flashing now. The cars RPM's do not go past 1-1/2 RPM's. I can not pick up speed like before, like I should. My car now hesitates and I'm scared to drive it. I feel that it's dangerous cause I can not keep up with traffic. I found a RECALL letter that I have from July 12, 2017 in which I took it to the dealer at that time I received it. I alo found 2 other recall letters ( see pics ataached). I guess at that time when they checked it nothing was wrong BUT now I am having an issue and I feel it could be related. The recall number is: 17V224 follow up letter of one of the recalls. The recalls prior to that does not have a # on it: it states: ENGINE CONNECTING ROD on of the recalls. I'm hearing some knocking but it just happened and I havent driven it since Nov. 26th. a.m.The code that comes up as P1362, knocking sensor and can be a number of other things. And everything I read says the KNOCK sensor detects vibrations indicating an onset of excessive connecting rod bearing wear. and can severly damage the engine. I'm very concerned and I feel that this recall back in 2017 is now happening to my car. I have uploaded the recall I have in my possession. According to William Garcia( Billy ) the service guy I always usually worked with at Gunther Kia, all of my recalls were checked and soem weere fixed. These particualr ones he said were done and or checked but nothing was repaired as you'll see in my history of service on recalls with them.

Filed Jan 16, 2020 · Engine · 119,000 miles · OH

Driving in heavier than normal traffic about 45 MPH. Stopped at a traffic light and engine cut off. Was able to restart, but was only able to drive less than half a mile before the engine cut off again. I completely lost power, but was able to coast into a parking lot. I waited approximately 10 minutes, attempted to restart the car (successfully!) and drove around the parking lot before traveling the remaining 20 minutes home. Called aaa and had the car towed upon arriving home. The mechanic was not able to replicate the issue and nothing was corrected. Battery and alternator were in perfect condition. Car has occasionally been hesitating while starting or while idling at traffic lights since that event.

Filed Jun 11, 2019 · Driver assistance, Engine · 101,700 miles · NH

Bought the car january of 2018.28 days of having the vehicle and I got a flat tire and come to find out my strut was never properly installed and thats what popped my tire.dan obrien tried to deny having a warranty to fix the car saying it was my fault.it was covered under warranty. I had to buy the new tire. When the recall for the engine came out,I took my car right in. They passed it. In september while driving home from my daughters 2 month appointment the car just lost all power and my engine light came on & car would not start daughter was present.engine had locked up they replaced the long block under the sc147 recall 11/30/18 recall sc165, ecu upgrade. On 2/11/19 I had the inspection for recall sc172 car passed.3/21/19 no warning engine light came on & stayed.p1326 engine code car went into limp home mode,daughter was present. Engine light flashed,got towed.3/26/19 kia told me it was due to the previous recall,it was my knock sensor. They replaced under warranty.5/22/19 front right side wheel bearing went bad,kia wouldnt cover,same side strut issue occured on.6/6/19 I went to accelerate on bypass and lost all engine control,I was able to coast. No warning lights came on.put in park, oil light,battery & eps came on & off. Turned car off & on.car would drive but with hesitation and little power.6/8/19 I went to accelerate on bypass and car lost power. 6+ cars behind me ,my car blocked the road.restarted car,went to take off and the car began to vibrate jolt and I couldnt get out of the way,I had to go into the other lane because I was blocked.steering wheel locked up, brakes lost power & I almost hit the guard rail.daughter was present. 6/10/19 kia told me it was my throttle body sensor not covered. Bought car with over 79k,now around 101k.im scared for my daughters life & mine it will catch on fire at anytime with all the symptoms.

Filed Jul 5, 2016 · Electrical, Engine · 98,000 miles · NY

March 2016 while traveling on highway at 65 MPH and passing a slow moving vehicle car lost power, became difficult to steer and unresponsive. We were lucky that we were right by rest area and coasted safely. Inspected the vehicle while and noticed a smell reminding an electrical short/fire. Car was towed to kia dealer and diagnosed to be engine failure. The engine was inspected and per dealer it was pristine, kia decided to cover under warranty @ approx 98k miles. Dealer stated that per kia it was due possibly to non oem oil filter (nice). When we got the car back it did not want to start occasionally, where it hesitated especially as temperatures increased. Noticed dealer, dealer took it in verified battery and starter were to spec. In june on a hot day car almost did not start, set an appointment with dealer for later in the week. Next day car did not start, was towed to dealer and diagnosed to week starter. Starter was replaced and car started on for one day, the second day temperatures increased and car was dead with similar electrical meltdown, also noticed fog lights were not working after bulb replacement. Dealer diagnosed with kia to bad engine again due to tolerances causing friction and more heat. Spoke to kia and started a case but they just want to replace the engine again and not discuss potential issues with electrical harness compromise and ongoing issue with engine failing for no reason. This car is scarry and hope it does not start on fire when the third engine fails.

Filed Apr 15, 2016 · Transmission · 33,000 miles · TX

Shortly after test driving and buying a used 2011 kia optima lx, we began experiencing an intermittent engine hesitation problem when accelerating at low speeds. It may not occur for many miles of slow-and-go traffic but, when it happens, it is shocking because the engine feels like it is going to completely die for up to 3 or 4 seconds. This can be very dangerous while turning onto a busy highway or crossing a high speed intersection.I this hesitation problem will occur at random regardless of whether the engine or the weather is cold or warm. We left this car at a kia dealer for several days but they were unable to determine the cause of the engine hesitation problem. The engine has hesitated several times in the past month.

Filed Oct 29, 2015 · Engine · 99,600 miles · IL · fire

Left a stop light and car hesitated so I gave it a little more gas. Then there was loud metal to metal noise from engine and an explosion with white smoke. Able to get into a parking lot and opened the hood to a small fire. Found that there was a hole in back of engine and cracked the front. In the oil pan was the attachment arm from the crank in many pieces. There is a recall with hyundai but kia says it is not related to this engine when there is an article stating the engine did get placed in the kia optima. I had just under 100k miles and an oil change just 2 weeks prior due to low oil pressure. This was done at a kia dealer and they said there is nothing wrong but changed the oil at $70 dollars and sent me on my way. Where do I go from here? See picture of parts attached.

Service bulletins that may apply

Related recalls

No recalls on record for this model year.

Questions about the 2011 Kia Optima hesitation

Is hesitation when accelerating a common problem on the 2011 Kia Optima?

6 of 594 owner complaints about the 2011 Kia Optima (1%) mention hesitation when accelerating. The model year with the most reports is 2016.

Is there a recall or service bulletin for this on the 2011 Kia Optima?

There are 0 recalls and 13 service bulletins for the same area of the car. Check them below with your VIN.

Other symptoms on the 2011 Kia Optima

Engine failure 107Headlights 71Knocking 69Stalling 67Check engine light 61Fire or smoke 40Loss of power 30Won't start 30Steering noise 27Pulling 23Airbag light 18Jerking 16Oil consumption 12No deployment 9Harsh shifting 9Power steering loss 9Warning lights 9Sudden acceleration 7Won't shift 6Sunroof shattered 6Grinding brakes 5Key fob 5Steering lock-up 5

All model years of the Kia Optima

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