2020 Hyundai Santa Fe

I took my car in for the EVM engine update. Since then whenever it starts it is jumpy. The rpm rev more than they should. It’s very concerning that it will rev and won’t stop and I could possibly hit someone. I took it back to the dealer and they called the timeline and they told them to do another update. They did and it is still like that. Was never like that before. I have connected with several people that have had the same thing happen. I will gave to take it in again and leave it which is a major inconvenience

I was driving out of the parking garage at work and happened to catch the oil light flicker on and then go off. I immediately drove it to an auto shop where I told them what happened. They looked at the dipstick and there was no oil showing on the dipstick. If I had just written the light off as an oddity I would have driven the car home from work (around 20 miles) and the engine could have stalled at 60mph creating a safety hazard. I have the oil changed regularly (about every 5,000 miles) and have my receipts. My car has around 80,000 miles in it and I’m the original owner. The auto shop said that I would need to take it to the dealership for an oil consumption test. I called and scheduled the appointment immediately and am in the process of having the test completed. The dealership noted a TSB for the issue on the write up and based on my research online this is not an unusual problem. Why have owners not been made aware of this issue? I don’t feel safe driving my car and am frustrated that this seems to be a known issue. There was no oil on the dipstick, no indicator that stayed on indicating an issue.

We purchased a used 2020 Hyundai Santa Fe with approximately 105,000 miles. The vehicle has had regular routine maintenance and oil changes. Around 107,000 miles, the check engine light came on and the vehicle simultaneously started running rough. It was diagnosed with a failed valve on the #3 cylinder and now needs a total engine replacement. This issue also coincided with excess oil consumption. Despite having an oil change fewer than 2000 miles earlier, the oil was almost completely gone from the engine despite not having any leaks present. This goes well beyond normal wear and tear and is indicative of a defect/design flaw.

The vehicle (2020 Hyundai Santa Fe, 2.0T, ~88,500 miles) experienced a sudden engine failure with no warning signs—no oil light, knocking, or overheating. After sitting overnight, the vehicle would not start and was later diagnosed by an independent repair facility as having a seized engine requiring replacement. The failure was unexpected and creates a potential safety risk, as it could have resulted in a loss of power while driving. The manufacturer has been notified but denied warranty assistance due to lack of maintenance documentation. The vehicle is currently available for inspection.

Around Feb 15, 2026, at ~85,000 miles, the oil pressure warning light began illuminating at idle and extinguishing above idle speed. The vehicle had also been experiencing intermittent hard starts and occasional shuddering at idle — symptoms too subtle for a typical owner to connect to imminent engine failure. An independent mechanic performed a manual oil pressure test: 4 PSI (Hyundai minimum spec is 13 PSI). The authorized dealer confirmed 6 PSI and found metal shavings in the oil pan — the signature of connecting rod bearing wear documented in Theta II GDI engine failures. Dealer recommended full engine replacement ($8,500). Vehicle has been inoperable at the dealer since Feb 19, 2026. SAFETY CONCERN: At 4 PSI with metal debris in the oil system, this engine was at imminent risk of catastrophic seizure. I avoided highway driving after the warning appeared (max 50 mph, city streets only). Had the engine seized at highway speed, loss of power steering and brake vacuum assist would have created serious crash risk. The symptom profile — warning only at idle, clearing at speed, no knocking, no check engine light — is the pattern that puts less-vigilant drivers at risk of seizure at highway speed with no warning. KNOWN DEFECT: The 2.4L G4KJ Theta II GDI is identical to the engine subject to a $210M NHTSA civil penalty (2020), multiple recalls, and a ~$1.3B class action settlement extending lifetime warranties through MY 2019. The 2020 uses the same engine but was excluded. My failure mode is textbook Theta II. Hyundai Service Campaign 9C2 (ECU update for 2019-2020 Theta II, issued Nov 2025) was incomplete on this vehicle — I was never notified. Completed after the engine had already failed. Manufacturer denied coverage (Case #XXX). BBB AUTO LINE claim #XXX filed Apr 16, 2026. No crash. No injuries. No fire. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I was driving on the road and all of the sudden my car went limp and would only move 45 miles per hour. I took it to the dealer which I have lifetime powertran on my car. It has been there for over a month at the dealer. They asked me to provide all oil changes,services, and registrations. I did that and then fidelity asked them to tear down the engine again to see if I had carbon build up. Then after the dealer did that they ask the dealer to tear the motor down even further to see if the exhaust valve was bad and if it was bad they would not replace my motor. My car consumed so much oil that I was changing my oil so often. I have been renting a car just to get back and forth to work. In my contract it says that the exhaust valve is covered under my lifetime powertran. I feel like hyundai and fidelity are giving me the run around. I took very good care of my car and I have shown that. Hyundai has had alot of problem with there motors with the oil consumption and motors just going limp. I feel I will never buy a hyundai again. I am losing money everyday because of the dealer and fidelity. I need the motor replaced and it was no abuse on my part I took care of my car. I want fidelity to tell me how I abuse the exhaust valve. I did my oil changes and took care of my car. I am still paying on my Hyundai and can't afford another car. I have alot of medical bills that I pay. Any help would be great. Sincerely [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

On the morning of February 20 2026 at around 6:35am. I was on my way to work when the engine light started flashing and the speed started to decrease. I was traveling on a major highway in heavy rain with a lot of traffic. I had to put on my hazard lights and quickly pull off the road. The code given is P1326 which has to do with the engine and wiring harness. I just purchased the vehicle on Jan. 17 2026. The Carfax stated no open recalls.

HI! Leaking valve cover gasket which damages spark plugs, ignition coils and fuel injector. Defective High Pressure Fuel Pump and fuel injector causing fuel to spray into engine and into engine oil. Large amount of fuel found in oil pan when oil changed. Complaint filed with Hyuandia, no response at this time. Thank you, [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

While driving, the engine catastrophically failed without warning, causing an immediate loss of power-assisted braking and steering. The failure occurred while traveling downhill. I was unable to slow or control the vehicle properly and was forced to proceed through a school bus’s flashing lights to avoid a potentially catastrophic collision, resulting in a traffic citation. My son was in the vehicle at the time. A sudden loss of engine power, braking assist, and steering assist while driving presents a serious safety defect. Vehicle was towed to Fred Beans Hyundai in Doylestown where it has been confirmed engine failure. This failure happened immediately and without warning.