2019 Kia Sorento: engine knocking or ticking

Filed Sep 4, 2026 · Engine · NJ

I am filing this complaint regarding my 2019 Kia Sorento and an engine failure related to Kia’s Product Improvement Campaign/KSDS (Knock Sensor Detection System) campaign. I purchased this vehicle used in 2022. Prior to the engine failure, I was never notified of any Product Improvement Campaign affecting my vehicle. Had I been notified, I would have immediately taken the vehicle to an authorized Kia dealership to have the campaign completed. My engine subsequently failed, and Kia denied coverage, stating that the Product Improvement Campaign was not completed before the engine failure occurred. Kia stated that notices were mailed to affected owners, but they have not provided me with documentation showing when my specific notice(s) were mailed, what address they were sent to, or proof that I was properly notified. I am concerned that affected owners may not be receiving adequate notification of this engine-related issue before a failure occurs. An engine failure can create a serious safety concern, especially if it occurs while driving, and owners may unknowingly continue operating vehicles affected by this condition without having the opportunity to complete the required update. I am requesting that the federal safety agency review this matter to determine whether Kia’s notification process for this campaign was effective and whether additional investigation is needed regarding engine failures associated with this issue. Vehicle Information: Year: 2019 Make: Kia Model: Sorento Date of engine failure: June 2026 I have documentation from Kia Customer Care regarding their denial of coverage and their statement that the campaign was not completed prior to engine failure.

Filed Aug 21, 2026 · Engine · NH

Engine, a Lambda 3.3 v6 started knocking periodically and consuming oil at about a half a quart a week. It is a know problem with this motor and well documented in its existence in all Hyundai and Kia vehicles using this engine. We now have been told that the head bolts are partially stripped. Another known problem and we are consuming coolant. This can is not trustworthy and could fail at any time. We are still paying off the loan if it matters.

Filed Aug 20, 2026 · Steering · 122,222 miles · CT

The contact owns a 2019 Kia Sorento. The contact stated that while driving 64 MPH, the contact detected a shimmy and knocking coming from the front wheels. There was no warning light illuminated. The contact stated that the failure was a common failure with similar vehicles. The vehicle was taken to an independent mechanic, and an alignment, tire rotation, and wheel balance were performed. The vehicle was taken to the local dealer, where it was diagnosed and determined that the steering column needed to be replaced. The failure was associated with the flexible rubber coupler, PN: 56380C1500. The vehicle was not repaired. The manufacturer was contacted and referred the contact to the federal safety agency Hotline to report the failure. The failure mileage was approximately 122,222.

Filed Jun 27, 2026 · Acceleration, Engine · AZ

My 2019 Kia Sorento suddenly began making loud knocking noises from the engine and immediately lost all acceleration while I was driving with my children in the car. The vehicle would not respond when pressing the gas, and the check engine light came on. This created a terrifying situation because I had no power to merge or move out of traffic, and I had my [XXX], [XXX] and [XXX] children with me.The engine now knocks severely and has almost no power at all. The oil level is full, so this is not due to low oil or lack of maintenance. This appears to be a sudden internal engine failure consistent with known Kia engine defects involving rod bearings, timing issues, and loss of compression.I am reporting this because the vehicle is unsafe to drive and put my children at risk. Kia is refusing to cover the engine failure even though this matches the same symptoms seen in other Kia engine recalls. I am extremely concerned that this defect could have caused an accident or left us stranded in a dangerous situation. I need this investigated as a serious safety issue. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 20, 2026 · Engine · CA

The engine failed and is now inoperable. The vehicle has been consuming excessive oil since I purchased it in 2022. I have all oil change records and top offs documented. In May 2026 the engine had a total failure, was making excessive noise, was shuddering and vibrating, blowing lots of smoke from the exhaust and then would not start. The check engine light came on. I towed it to Roseville Kia for diagnosis. Kia refused to honor the lifetime warranty under the class action lawsuit, claiming the engineer failure was due to a damaged exhaust valve. The did not complete the diagnosis. They did not follow the federal safety agency engine replacement flowchart past flowchart A because code p1326 was not present. However the flowchart specifies engine noise and failure to turn over qualify the technician to perform flowcharts B and C. Kia is refusing to complete the diagnosis and evaluate the rod bearings for damage, which would likely qualify the engine for replacement under warranty.

Filed May 20, 2026 · Engine · AZ

My 2019 Kia Sorento equipped with a Theta II engine entered limp mode and displayed a flashing check engine light along with an active P1326 diagnostic trouble code. The P1326 code is a proprietary Kia/Hyundai specific code that can only be generated when the Knock Sensor Detection System (KSDS) software update is present on the vehicle. This software was developed and distributed by Kia specifically to detect Theta II engine bearing failure and rod bearing wear before catastrophic engine damage occurs. The presence of the P1326 code is confirmation by Kia's own proprietary detection system that this engine is experiencing the exact failure pattern associated with the Theta II engine defect. The vehicle was towed to an authorized Kia dealership. The dealership refused to perform a BTC test or enter the vehicle into Techline, citing that the VIN does not appear in the Theta II settlement database. Kia America customer care has also denied coverage. The vehicle remains inoperable. Safety risk is significant. The Theta II engine defect has been directly linked to engine fires in Kia and Hyundai vehicles. Limp mode and sudden loss of power while driving creates serious risk of accidents, injury, or death to the driver and other motorists. The 2012-2019 Kia Sorento is a model year range specifically identified in Theta II multidistrict litigation. Kia's own KSDS software flagging a P1326 code on this vehicle while Kia simultaneously denies any defect-related coverage is contradictory and raises serious safety concerns for owners whose VINs were excluded from settlement but whose vehicles are exhibiting identical failure symptoms.

Filed May 3, 2026 · Engine, Transmission · CA

This vehicle has theta 2 engine.. which is part of class lawsuit kia settled. My vehicle had high oil consumption and the defect was due to rod bearing would cause engine to fail and cause hi oil consumption. The dealer diagnosed it with burned valve and denied warranty even though my warranty was extended due to this engine being a defect. The reason they stated is that the rod bearing is a separate issue from burned valves which is a complete lie because a faulty rod bearing would cause valves problem. I feel kia is just trying to avoid repair cost. They did want to bill me for a new engine immediately. And they failed to test the rod bearing saying they could not determine if it was defect because of the burned valves

Filed Apr 22, 2026 · Engine · NY

Vehicle: 2019 Kia Sorento Issue: Engine Failure / Safety Concern Complaint: I am filing a complaint regarding a 2019 Kia Sorento that experienced sudden engine failure after clear warning signs that created a serious safety concern. The vehicle began making a loud ticking/knocking noise that progressively worsened over time. While driving, the vehicle struggled to accelerate and lost power. The noise became louder when pressing the gas. Shortly after, the vehicle shut off completely and is now unable to start at all. This failure occurred without any warning lights appearing on the dashboard, including no check engine light, which prevented me from knowing the severity of the issue in advance. After contacting Kia, I was informed that there were multiple recalls on the vehicle that were not completed. However, I was never notified of these recalls as the current owner. I was told that recall notifications were sent to the previous owner, and no effort was made to notify me directly. Kia has refused to assist with the engine failure, stating that recalls must be completed first. However, the vehicle is now completely inoperable and cannot be driven to complete recall repairs. Requiring a non-running vehicle to complete recall updates is unreasonable and places consumers at risk. This situation raises serious safety concerns because: The vehicle lost power while in operation, creating a dangerous driving condition There were no warning indicators prior to failure The engine failure appears consistent with known issues involving Kia engines I am requesting that this matter be investigated, including Kia’s handling of recall notifications and their refusal to assist with a known engine failure issue under these circumstances.

Filed Mar 9, 2026 · Engine · TX

I am the original owner of this vehicle. The engine is consuming approximately 5 quarts of oil every 7–10 days while I drive about 300 miles per week. The rear of the vehicle is covered in black soot from the exhaust, indicating severe oil burning. I have been topping off oil constantly to prevent engine damage. No knocking, ticking, or check engine light has appeared yet. This level of oil consumption is far beyond normal and poses a serious risk of engine failure.

Filed Dec 30, 2025 · Engine · PA

At 79,000, the engine started running very rough. I took it to the dealer. It’s got a cylinder that won’t fire. I have an extended warranty( big $!) but I’m getting the runaround from Kia. It’s been almost 3 weeks. They’re dragging their feet because they know these Theta II engines are JUNK! I’ve maintained my own vehicles my entire adult life, and I don’t drive crazy either. It also had a knock sensor recall, which most likely kept this issue from being a recall

Filed Oct 2, 2025 · Engine · WI

Knocking noise started when pulling off the interstate. No engine light came on. No oil registered on 'dip stick'. Oil change was due at 130,449. The mileage on the car was 132,635. Had towed to Kia dealership where they said there was no test that could be done due to the vehicle being a 6 cylinder engine. They said the 'sound' points to needing an engine replacement. I inquired about a oil pressure switch test and oil consumption test due to past recalls and known engine issues. I was told due to the car being out of powertrain warrenty they would not perform such tests. I have video that shows the car is burning oil. Visible out of the exhaust. This is not something I was aware of until after this incident. These are the same issues as noted in previous recalls. Dealership said would need full engine replacement.

Filed Sep 12, 2025 · Engine · 164,000 miles · NC

The contact owns a 2019 Kia Sorento. The contact stated that while driving at 70 MPH, there was an abnormal knocking sound coming from the vehicle. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where an oil change was performed because the engine oil level was extremely low. The contact stated that the vehicle was not due for an oil change at the time of the service. Despite the oil change, the failure worsened as the sound became increasingly louder. The vehicle was then taken to another independent mechanic and was diagnosed it with engine failure, and the contact was provided an estimate for a new engine. The manufacturer was notified of the failure but offered no assistance. The vehicle was not repaired. The failure mileage was approximately 164,000. The VIN was not available.