Subject: Safety Complaint Regarding Kia Recall SC336, Excessive Oil Consumption, and Engine Knocking I am filing this complaint against Valley Kia regarding its handling of Recall SC336 on my 2021 Kia Soul S. I was informed by Valley Kia that the recall repair was completed in May 2025. However, on September 17, 2026, I returned the vehicle because of excessive oil consumption and engine knocking, symptoms consistent with the engine problems addressed by the recall. The dealership changed the oil, but within two weeks, the engine had burned through the oil again. I am concerned that the underlying problem has not been properly diagnosed or corrected. Valley Kia is refusing to adequately address the issue under the recall and is asking me to pay for repairs that I cannot afford. I rely on this vehicle to commute approximately 45 miles each way to work. I am afraid the engine could fail while I am driving on the freeway, potentially putting my life and the lives of other motorists at risk. I am also concerned about the possibility of an engine fire. I am requesting that the federal safety agency investigate this matter and help determine whether Valley Kia properly completed Recall SC336 and whether my vehicle's current engine problems require further recall-related repairs or other corrective action. I should not have to bear the financial burden of a potentially serious safety defect that may be related to a recall the dealership claims to have completed. Please review this complaint and advise me of the appropriate steps to protect my safety and resolve this matter.
2021 Kia Soul: excessive oil consumption
48 of the 245 complaints about the 2021 Kia Soul describe excessive oil consumption.
- owner complaints
- 48
- of this car's complaints
- 20%
- typical mileage
- 82,000
- recalls
- 2
Excessive oil consumption by model year
What owners say
Burning oil and piston failure in my 2021 Kia soul. But it’s not the 1 percent under recall. More than just the 1 percent
My 2021 Kia Soul was included in Recall SC336 involving defective piston oil rings that may cause increased oil consumption, engine damage, and stalling. The recall remedy was done in June 2025. Kia digitally inspected the engine and said it passed so no engine replacement was performed. Eight months later the car began having symptoms mirroring those of the recall. On February 13, 2026, an independent repair facility documented a check engine light, poor acceleration, timing-related engine fault codes, no oil on the dipstick, less than two quarts of oil recovered from the engine, and no visible external oil leaks. On May 21, 2026, a Kia dealership documented that the vehicle arrived three quarts low. Engine timing and performance issues later required warranty repairs. On Sept. 19 2026, the vehicle stalled while turning onto a busy roadway with four occupants inside. Following the stall event, the vehicle was again found to be extremely low on oil despite documented regular maintenance and oil changes throughout ownership. I’m worried that the recall inspection didn’t identify an affected engine and that the car then developed the symptoms in Recall SC336 - excessive oil consumption, engine-related faults, poor performance, and dangerous stalling. The car is now being evaluated by Kia. I am complaining because I believe the federal safety agency should know a vehicle that passed the SC336 recall inspection within months developed symptoms resembling the condition that recall was intended to address. I have been informed by the dealership that because Recall SC336 was already completed, Kia would not allow the recall process to simply be performed again. My concern is that the vehicle was determined to have passed the recall inspection but then developed all of the recall symptoms. I am concerned that the recall history is not being considered as part of the current diagnosis and that the underlying condition addressed by SC336 was not identified despite the vehicle having symptoms.
My kia soul has high oil consumption. When informed of the recall for the piston rings, I had First Team Kia look at it. They informed me that they didn't see anything wrong so they cleared the recall. They NEVER performed the oil consumption test. Within 3 weeks, I traveled over 800 miles, round trip, and upon my return home I had to put 4 qrts of oil back in my car. I took my car to Southern Auto. They performed the oil consumption test that revealed the car has high oil consumption, burning 3.5 qrts of oil within 1000 miles. This engine could freeze up at any given moment putting my life and many other lives at risk as I drive this car daily on the interstate for work. The dealer confirmed there is a high oil consumption. No one has inspected this vehicle because First Team cleared the recall without properly testing my vehicle for the said issue. No lights are on the dashboard but I an constantly topping off my oil atleast 1-2 times a week.
The contact owns a 2021 Kia Soul. The contact stated that the vehicle was consuming an excessive amount of engine oil. The contact stated that the high oil consumption might cause a fire in the engine bay due to a failure with the piston rings. The contact referenced the federal safety agency Campaign Number: 25V099000 (Engine and Engine Cooling); as the possible cause for the failure. The vehicle was taken to a dealer, and the dealer declined to perform the recall repair because the vehicle did not experience a specific failure, even though all the other issues the vehicle had experienced were listed in the recall notice. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 215,000.
My 2021 Kia Soul has stalled unexpectedly while being driven on multiple occasions. When the vehicle stalls, the engine shuts off and the vehicle loses propulsion, creating a risk of a collision, particularly if it occurs in moving traffic. There have been no warning lights or messages before the vehicle stalls or when the stalling occurs. The vehicle has severe engine oil consumption. After approximately 3,000 miles, the oil level can become so low that no oil is visible on the dipstick. I do not know whether the excessive oil consumption is causing the stalling, but I believe that to be the reason. I previously brought the vehicle to an authorized Kia dealership while it was under warranty because of the oil-consumption problem. The dealership told me that the vehicle was probably leaking oil, that a part needed to be ordered, and that they would contact me when the part arrived. They never contacted me, and the problem was not resolved. I have since reported the repeated stalling and excessive oil consumption to Kia corporate. Kia instructed me to return the vehicle to the dealership for additional testing. I told Kia that I do not feel safe driving the vehicle approximately 40 minutes to the dealership because it has repeatedly stalled while being driven. I asked whether Kia would tow the vehicle, but Kia would not commit to providing a tow. I also asked Kia to put in writing its instruction that I should drive the vehicle to the dealership despite the reported stalling, and Kia declined. The vehicle remains available for inspection. The cause of the repeated stalling is most likely due to burning of excessive oil. I am concerned about an unexpected loss of propulsion occurring again while the vehicle is in traffic.
Vehicle: 2021 Kia Soul LX, 2.0L Engine Subject: Loss of Motive Power and Stall While Driving Under Recall SC336 Description of Incident: On 07/02 @ roughly 6:15PM, while driving on the highway I-35E at approximately 60 MPH, my vehicle's engine experienced a sudden and complete loss of engine power, stalling while in motion. I was able to safely navigate to the shoulder, activate my hazard lights, and restart the vehicle after pulling over. This stall occurred despite the vehicle being covered by Recall SC336 for defective piston oil rings . The recall condition explicitly warns that engine seizure can result in "loss of motive power," creating a significant risk of crash or injury. Ongoing Symptoms (Documented): · Excessive oil consumption: Over 2.5 quarts low after approximately 1,000 miles since the last oil change. This aligns with the recall's "increased oil consumption" warning. · Audible engine knocking when shutting off and ticking during acceleration. This matches the "abnormal noise from the engine" described in the recall. · Active Diagnostic Trouble Codes (DTCs) stored: P0017, P0014, P000B, P0172, P0300, P0301, P0302, P0303, P0304. These indicate timing issues, misfires on all four cylinders, and oil pressure-related failures. Vehicle had similar codes when visited for recall February of this year. Was told everything looked fine. · The vehicle shows signs of instability when accessories (A/C, headlights) are engaged, suggesting the engine is struggling to maintain idle. Safety Risk: The vehicle is unsafe to drive. The stall on the highway presented an immediate crash risk due to the sudden loss of power, which also disables power steering and power brakes.
The vehicle burns oil. The first incident occurred when the car stopped running. Fortunately I was in a residential area and was able to pull into a parking lot. My mechanic confirmed it was lack of oil in the engine. I have taken it to the dealership and had it tested, but they said it was not enough, and then with the recall, they again said it was not the problem. It continues to burn oil and I have to check it at every gas refill to check the level.
I am filing this complaint regarding my 2021 Kia Soul due to repeated engine and powertrain failures and concerns about the quality and safety of the repairs. While my vehicle was under Kia's 100,000-mile powertrain warranty, I repeatedly brought it to the dealership for excessive oil consumption and transmission problems. Despite multiple visits, the dealership performed minor repairs or claimed they could not identify the transmission issue. I also contacted Kia Consumer Affairs but received no assistance. Shortly after my warranty expired, Kia determined both the engine and transmission required replacement. The repairs were completed as a "good faith" repair rather than a warranty or recall repair, using remanufactured components. Since then, I have continued experiencing problems. The replacement engine appears to have been installed improperly, including stripped motor mount bolts/pins and a missing bracket. Within months, I also developed radiator and coolant reservoir problems, raising additional safety concerns. I understand Kia has issued recalls and service campaigns involving similar engine and powertrain defects. When I previously checked my VIN, I recall it showing an engine-related recall. However, a recent search showed no open recalls. Regardless, my vehicle experienced the same failures and required replacement of both the engine and transmission after I repeatedly sought repairs while still under warranty. I believe these repeated failures and the apparent improper installation of the replacement engine warrant investigation. I have repair records documenting my complaints, the repairs, and the continuing issues.
The first incident occurred on November 2, 2025. I was driving down a state road. I missed my turn so I pulled into a parking lot to turn around. Once I was able to pull out, I put my foot on the accelerator and felt no resistance. The car rolled out of the parking lot onto the road. I kept pressing the accelerator hoping the gas would return but my car rolled along without picking up speed. I was able to turn into a gas station to get my car off the road. I turned the engine off. When I turned it back on, all of the lights on the dashboard came on, before the only one that remained lit was the check engine light. I had the car towed to my local mechanic who after diagnosing, told me my car over consumed oil which resulted in the engine shut down. I was due for a change in a 400 miles. He said it was a known problem with Kia Souls and advised me to take it to a Kia dealership for inspection, which I did. I've taken it to Kia Danvers. Since 11/2/25, the issue has persisted. On 3/27/26, my car shut down 4 times while driving. Each time I would hear a loud noise coming from the engine, and I could feel the power draining from the steering wheel and pedals before the engine would shut off. After a minute or two, the car would restart. The problems continued on 3/29/26 where it happened 8 times. I was able to get it to Kia Danvers on 4/1/26 for a diagnostic exam and an oil change. They suggested an oil consumption test which I did on 5/4/26. They said my oil reduction was normal. On 5/7/26, while driving, my car began violently shaking with the shaking occurring in the engine. The check engine light came on. I pulled over and immediately called the dealership to explain what happened. The said to come in but I wasn't able to get it towed. When I took it in for scheduled service on 5/27/26, they noted the car consumed a lot of oil and suggested another oil change, and a combustion chamber cleaning.
On XXX My car was stopped at a light, the vehicle shot down, and would not restart. I had the car towed to Galeana Kia, [XXX]. Upon isnpection at Kia it was found that the engine oil was three quarts low. I was shocked. There had been no warning lights on the dashboard. I had a synthetic oil change 9,000 miles previously. Galeana Kia charged me $315.96. There was a subsequent recall 25V099. "The piston oil ring(s) in your vehicle may have been manufactured incorrectly...This may lead to increased oil consumption..." On April 16, 2025, subject to the recall, Galeana Kia replaced the engine block. I requested a refund of the $315.96 for the work done on November 25, 2024. Galeana Kia refused. Because the repair work done in November 25, 2025 obviously relates to the subsequent recall, I request that you have Kia reimburse me. See Kia case XXX INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2021 Kia Soul. The contact stated that while checking the engine oil level, the contact noticed that the vehicle was consuming excessive oil. Upon inspecting underneath the vehicle, the contact's husband did not find any leaks. No warning light illuminated. The vehicle was taken to an independent mechanic, where it was determined that the piston oil rings needed to be replaced, and the engine was consuming excessive oil. The vehicle was not repaired. The contact related the failure to the federal safety agency Campaign Number: 21V259000 (ENGINE); however, the VIN was not included in the recall. The manufacturer was notified of the failure and informed the contact that the VIN was not included in a recall due to the vehicle mileage. The approximate failure mileage was 82,000.
Service bulletins that may apply
- Misfire concern due to overrunning alternator decoupler
- This bulletin provides information related to the Technical Service Bulletin previously published under...
- This bulletin provides instructions to perform an engine vibration inspection using the Kia Diagnostic...
- Piston noise sensing system (PNSS) inspection
- Excessive oil consumption nu/gamma/theta/kappa engines
- Subsequent repair action: engine replacement instructions for piston ring noise DTC 1327 (SC209Y)
- MIL on DTC P0605 and/or P2181 ECM logic improvement (SA463)
- Pitstop: DTC P0011/ P0014/ P0016/ P0017 due to incorrect camshaft reluctor wheel configuration
Related recalls
Engine and engine cooling: engine: hard parts internal/mechanical
- What is wrong
- Kia America, Inc. (Kia) is recalling certain 2021-2023 Seltos and Soul vehicles. The piston oil rings may have been manufactured incorrectly, which can result in engine damage.
- Risk
- Engine damage can cause a vehicle stall or fire, increasing the risk of a crash or injury.
- Remedy
- Dealers will inspect and replace the engine as necessary, free of charge. Dealers will also install piston-ring noise sensing system (PNSS) software, free of charge. Owner notification letters were mailed April 4, 2025. Owners may contact Kia customer service at 800‑333‑4542. Kia's number for this recall is SC336.
Recall number 25V099000 · Recall details
Engine
- What is wrong
- Kia Motors America (Kia) is recalling certain 2020-2021 Soul, and 2021 Seltos vehicles equipped with 2.0L Nu MPI engines. The piston oil rings may not have been properly heat-treated, which may result in engine damage.
- Risk
- A damaged engine may stall, increasing the risk of a crash. In addition, oil may leak onto hot exhaust components, increasing the risk of a fire.
- Remedy
- Kia will notify owners, and dealers will inspect and, if necessary, replace the engine, free of charge. In addition, Kia will deploy Piston Ring Noise Sensing System (PNSS) software. The recall began June 11, 2021. Owners may contact Kia customer service at 1‑800‑333‑4542. Kia's number for this recall is SC209.
Recall number 21V259000 · Recall details
Questions about the 2021 Kia Soul oil consumption
Is excessive oil consumption a common problem on the 2021 Kia Soul?
48 of 245 owner complaints about the 2021 Kia Soul (20%) mention excessive oil consumption. The model year with the most reports is 2014.
Is there a recall or service bulletin for this on the 2021 Kia Soul?
There are 2 recalls and 17 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 2021 Kia Soul
Stalling 82Check engine light 59Engine failure 57Loss of power 26Knocking 20Misfire 9Transmission failure 8Fire or smoke 6Headlights 6Overheating 6Shudder 5
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