2021 Hyundai Palisade: engine stalls while driving

Filed Oct 20, 2026 · Engine, Transmission · CA

I am the original owner of a 2021 Hyundai Palisade SEL AWD (74,225 miles) reporting repeated engine shutdowns in traffic, severe rough idling, and an unresolved safety concern. The problem began XXX. I first brought the vehicle to Hyundai on XXX and have sought service approximately four times since June. Despite technicians stating they could not reproduce the issue, the engine stalled again on XXX after I picked it up from service. The dealership also instructed me to complete a 1,000-mile oil consumption test. When I returned after 750 miles, I was told I had returned too early. The engine subsequently shut off twice on XXX. Documented incidents: XXX 1:53 PM: Engine shut off on [XXX]. XXX, 5:38 PM: Engine shut off on [XXX]. XXX, 5:08 AM: Engine shut off at [XXX] exit, [XXX] XXX 11:35 AM: Engine stalled at [XXX]/[XXX]. XXX, 12:30 PM: Engine stalled at [XXX]/[XXX]; check engine light illuminated. XXX, 10:57 AM: Near-stall with severe rough idling at Los Gatos Farmers Market. After further rough idling, the check engine light remained illuminated. On XXX the dealership service advisor personally experienced severe rough idling and an apparent near-stall while moving my vehicle, with the check engine light on. I heard her acknowledge the issue. The vehicle remains at the dealership. I provided a written incident log and opened Hyundai case #XXX. Repeated engine shutdowns at intersections and freeway exits pose a serious collision risk. I request the federal safety agency investigate this potential safety defect. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Sep 1, 2026 · Electrical, Engine · IL

I am reporting a potential safety defect involving my 2021 Hyundai Palisade Calligraphy AWD. The vehicle has experienced repeated engine and drivability problems and multiple breakdowns following replacement of the engine by Hyundai. The original engine developed excessive oil consumption and was ultimately replaced by Hyundai with a new engine. Following the engine replacement, the vehicle experienced numerous additional mechanical problems and repair attempts, including engine rattling/pinging, intake-manifold replacement, oil valve-seal replacement, multiple cylinder misfires, ignition-system problems and an ignition-coil failure. Most concerning are repeated incidents involving severe shaking/lurching, loss of engine power, stalling and failure to restart. During one incident following repairs, the vehicle ran extremely rough, stalled and would not restart after approximately 20 miles of driving and had to be towed back to the dealership. During another incident, the vehicle experienced heavy shaking on startup, stalled and had severely limited power. Diagnostic history showed misfires involving multiple cylinders. On June 29, 2026, at approximately 103,671 miles, I was driving at approximately 50 mph when the vehicle began to lurch and shake, lost power, stalled and would not restart. The vehicle had to be towed back to the Hyundai dealership. The unexpected loss of propulsion and stalling while traveling at approximately 50 mph created a serious safety concern because I could no longer rely upon the vehicle to maintain power in traffic. The dealership subsequently identified an ignition-coil short/failure and replaced an ignition coil. The vehicle has nevertheless continued to experience additional mechanical problems. The vehicle is currently again at the Hyundai dealership. It has generated diagnostic code P0430 for Bank 2 catalyst efficiency below threshold, and Hyundai has recommended replacement of both catalytic converter/manifold assemblies. Th

Filed Aug 19, 2026 · Engine · OH

In the past two weeks, our 2021 Hyundai Palisade has shut off completely when driving. It has around 110,000 miles on it and was just purchased used (second owner) three months ago. At that time, the dealership had to fix a leak in the engine and did a complete oil change. Based on internet searches, we just checked the oil dipstick and it is COMPLETELY empty. We have NOT driven more than 3,000 miles since purchasing the vehicle and there is absolutely no oil left. Based on searches, it appears this is a fairly common, known issue and nothing is being done. It is incredibly dangerous that the car shut down while driving (on the highway, in the middle of a right-hand turn). Every single warning light lit up at once then the car completely shut off within a matter of seconds. Thankfully my husband was able to get to the side of the road and no accidents occurred, but this is terrifying and completely unacceptable. The car is going to be towed to the dealership to check for excessive oil consumption, but again, based on research, it appears that this is a known issue but Hyundai says it is "within acceptable limits." PLEASE DO SOMETHING ABOUT THIS BEFORE SOMEONE IS SERIOUSLY INJURED OR KILLED.

Filed Jul 29, 2026 · Engine · OH

Excessive oil consumption. Oil tank empty at 3 oil changes. Car was stalling at stops. Oil was empty 5000 miles prior to next suggested oil change. No low oil indicator light alarm

Filed Jul 6, 2026 · Brakes, Electrical · 77,000 miles · OH

The contact owns a 2021 Hyundai Palisade. The contact stated that while driving at a low speed, the power steering failed, several warning lights illuminated, and the engine suddenly stalled. The vehicle was towed to a dealer, where the battery was replaced; however, the failure recurred two days later. The vehicle was then towed to an independent mechanic, where it was diagnosed with a failed alternator. The contact paid for the alternator replacement out of pocket. The contact stated that while at a complete stop recently, the brake pedal would travel to the floorboard when depressed, causing the vehicle to shudder. The vehicle would only resume normal operation after the accelerator pedal was depressed. The vehicle was returned to the dealer, but had not yet been diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 77,000.

Filed Apr 7, 2026 · Engine, Transmission · OH

The vehicle suffered a structural "seam leak" on the pressurized oil filter housing. This was verified by an authorized Hyundai dealer (Dealer XXX, Invoice #XXX). The failure is a structural crack in the housing component itself, not a maintenance-related seal or filter failure. This defect causes pressurized engine oil to spray directly onto the hot engine block while the vehicle is in operation, creating a severe and immediate fire hazard. Additionally, the rapid loss of oil and oil pressure poses a risk of sudden engine seizure or stalling at highway speeds, which could lead to a crash. Despite being a known manufacturing defect in a critical engine component, the manufacturer has refused to address the safety implications or offer a remedy. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jan 30, 2026 · Engine · AL

I bought my vehicle almost 2 years ago with 30K miles on it. In December 2025, the car started stalling and wouldn’t run properly. I took it into the dealership and they stated that the engine was burning oil. This was at 90K miles. Hyundai refuses to fix the motor issue because I’m not the original owner. This issue would have started even before the 90K miles because the vehicle had almost used all its oil in between the normal oil change interval. They did a sludge clean and we checked the oil again after 1500 miles and it had already used over a quart of oil.

Filed Dec 21, 2025 · Engine · IL

The engine failed due to excessive oil consumption/internal oil loss. The engine is currently installed in the vehicle and available for inspection upon request. The issue began while the vehicle was under warranty and has progressed to the point where engine replacement has been recommended. Ongoing oil loss and engine malfunction created a risk of sudden engine failure or loss of power while driving, which could lead to stalling or reduced ability to safely control the vehicle. This presents a safety risk to the occupants and other motorists, especially at highway speeds. Yes. The issue was confirmed by an authorized Hyundai dealership through oil consumption monitoring, diagnostic testing, and inspection after the check engine light illuminated. Hyundai has acknowledged the problem by authorizing testing, attempting repairs, and recommending engine replacement. Yes. The vehicle has been inspected by an authorized Hyundai dealership, and the issue has been reviewed by Hyundai Motor America through warranty and goodwill claims submitted by the dealer. es. The first symptom was unexplained oil loss beginning at approximately 66,000 miles, with no visible external leak. Later, the check engine light illuminated, prompting further inspection and leading to the recommendation for engine replacement.

Filed Aug 25, 2025 · MA

Child Safety Lock Failure: This message displays on instrument panel upon immediate startup of vehicle and randomly after the child safety lock clicks on and off continuously. Child safety lock is stalled in a continuous lock and unlock clicking mode. This has happened while drving and after the car is in park and I am taking a child out of the car. After depressing child safety lock button on driver's door panel, the sound stops.

Filed Aug 24, 2025 · Engine · GA

We have brought the vehicle to Potamkin Hyundai on three separate occasions, [XXX] [XX], and [XXX], and [XXX] due to the engine stalling unexpectedly while driving. This issue has placed our family, including our children, in serious danger and has not been resolved. At our initial visits, we were informed that the engine was consuming excessive oil. However, during our most recent visit on August 5, 2025, we were told that the engine was full of oil and functioning properly, and that no error codes were present. Because they were unable to duplicate the issue, we were told we would need to pay out of pocket to tear down an already faulty engine which is unacceptable. Despite this, the vehicle shut off once again while driving, creating a hazardous situation that is completely unacceptable and life-threatening. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jul 1, 2025 · AL

Child Safety Lock Failure (displayed on instrument panel upon immediate startup of vehicle). Child safety lock is stalled in a continuous lock and unlock clicking mode. After depressing child safety lock button on driver's door panel, the sound stops.

Filed Feb 7, 2023 · Acceleration, Engine · NJ

Sudden powertrain failure. Car started to decelerate on its own. The car started to vibrate when accelerator was pressed. Car was in high speed and could have stalled and the passengers could have been killed. Hyundai has refused to honor the powertrain warranty and has attributed the entire transmission failure to bad gas which is very very unlikely. Have contacted Hyundai USA and got no substantial help. Hudson Hyundai is the dealer and is notorious in their treatment of customers. The company needs to issue a recall of 2021 pallisades before a major accident.