There are 6 owner-reported fuel system complaints for the 2020 Hyundai Santa Fein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I have a 2020 Hyundai Santa Fe, 2.0T. I recently experienced the following issues; gasoline fumes coming into the car at low speeds, difficulty starting the car when it is cold and hesitation when trying to accelerate quickly. The check engine light came on and the dealer diagnosed a faulty fuel pump and high pressure hoses......on a car with only 49100 miles! The repair cars are estimated at over $1800. This is totally unacceptable and there should be a manufacturer issued recall on the car where Hyundai covers the cost of the repairs.
The contact owns a 2020 Hyundai Santa Fe. The contact stated that while driving at an undisclosed speed and attempting to accelerate, the vehicle suddenly lost motive power. The check engine warning light was illuminated. The vehicle was taken to the dealer, who determined that one bolt on the fuel pump was sheared off and another was extremely loose. The vehicle was repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 63,000.
Catalytic converter is failing Lane collision warning failing driver side rear view mirror
TL* THE CONTACT OWNS A 2020 HYUNDAI SANTA FE. THE CONTACT STATED THAT WHILE THE VEHICLE WAS BEING TRANSPORTED, THE CONTACT LEARNED THAT THE GAS CAP HAD DETACHED FROM THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO O'BRIEN HYUNDAI OF FORT MYERS (2850 COLONIAL BLVD, FORT MYERS, FL 33966; (239) 277-1222) WHERE THE GAS CAP WAS REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND OPENED A CASE. THE APPROXIMATE FAILURE MILEAGE WAS 4,862.
I PULLED INTO THE DRIVEWAY AND PUT ON THE BRAKES WHEN THE VEHICLE ACCELERATED AND RAN INTO THE GARAGE AND THE FRAME. THERE ARE TIRE MARKS ON THE CEMENT SHOWING THE BRAKES WERE APPLIED. I'VE HAD PROBLEMS WITH THE ACCELERATE CUTTING OUT WHILE ON THE FREEWAY ON RAMP.
HAVE ONLY HAD THE 2020 SANTAFE 2.0T FOR A FEW WEEKS - 1,000 MILES. IT IS GOING TO THE SHOP (SELLING DEALER). THE TURBO LAG HAS ALMOST GOT ME T-BONED TWICE WHEN PULLING OUT INTO TRAFFIC. THIS IS CLEARLY A SAFETY ISSUE. IT DID NOT SEEM THIS WAY ON THE TEST DRIVE. THE OVERALL POWER HAS GONE DOWN THE PAST FEW WEEKS. TRYING TO PASS SOMEONE - HAH, MAKE SURE YOU HAVE PLENTY OF ROOM, BECAUSE THAT TURBO LAG WILL BITE YOU IN THE BUTT WHEN YOU PULL OUT AND SUDDENLY YOU ARE STUCK IN THE ONCOMING LANE WAITING FOR THE ENGINE TO KICK IN. AFTER AN INSPECTION BY THE DEALER - THEY SAID " NOTHING IS WRONG, IT IS PERFORMING EXACTLY AS DESIGNED AND WITH SPECS". REALLY SCARY WHEN THE DEALER SERVICE WRITER TELLS YOU - "IT IS PERFORMING AS DESIGNED". I TAKE THAT TO MEAN THEY ARE FULLY AWARE OF THIS SAFETY DESIGN FLAW/DEFECT. THE DEALER THEN SAID - JUST DRIVE IT IN THE "SPORT" MODE AND IT WILL NOT BE AS BAD. THAT IS LUDICROUS. THE DEFAULT MODE IS "COMFORT" AND THAT IS WHERE THE BEST RIDE AND PERFORMANCE, MILEAGE, ETC. IS TO BE ACHIEVED. I TOOK A TEST DRIVE WITH THE DEALER'S MECHANIC. HE ADVISED THAT HE GETS THIS COMPLAINT EVERY SINGLE DAY. IT IS A SAFETY DESIGN DEFECT INHERENT IN THE ENGINE. HE CHECKED FOR ANY ERROR CODES OR SOFTWARE UPDATES - NONE ARE PRESENT OR AVAILABLE. THE MECHANIC VERBALLY CONFIRMED THAT THE "ENGINE LAG" IS CLEARLY THERE. HOWEVER, WHEN THE SERVICE WRITER COMPLETED THE TICKET, HE WROTE THAT THE MECHANIC SAID HE COULD NOT DUPLICATE THE PROBLEM. THAT IS AN ABSOLUTE UN-TRUTH. IN MY OPINION - THIS IS A VERY CLEAR SAFETY ISSUE WHEN TRYING TO MERGE INTO TRAFFIC OR PASS ANOTHER VEHICLE.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026