There are 4 owner-reported fuel system complaints for the 2014 Hyundai Tucsonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The high pressure fuel line began leaking gasoline after warrantee replacement of engine.
Engine sputtering before turning on and strong gas smell throughout vehicle and near engine
The contact owns a 2014 Hyundai Tucson. The contact stated that the oil warning light was illuminated. The contact then stated every two weeks he had to add two to three quarts of oil and he noticed that a dark gray cloud of smoke came from the tailpipe. The vehicle was taken to the dealer where the oil line was replaced and an oil consumption test was advised however, the test was not performed. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and the contact was provided a case number and advised to call the NHTSA Hotline. The failure mileage was approximately 116,000.
STAINLESS STEEL FUEL TUBE REPLACED FOR SECOND TIME IN 15 MONTHS; FIRST TIME WHEN ENGINE BLEW (PISTON CAME APART) AND SECOND TIME 2 DAYS AFTER ROUTINE MAINTENANCE PERFORMED AT DEALERSHIP (EFI SERVICE). FUEL LEAK DEVELOPED WHEN FUEL PUMP RUNNING AS CAR BEING DRIVEN AT 70 MPH. STRONG FUEL SMELL IN VEHICLE WHILE DRIVING AND FUEL WAS RUNNING OUT AT RAPID RATE. CAR STARTED TO STALL ON INTERSTATE 10 W BETWEEN HOUSTON AND SAN ANTONIO. I WOULD LIKE A RECORD OF THIS OCCURRENCE IN ORDER TO DETERMINE IF PART IS DEFECTIVE OR MECHANIC AT FAULT. THIS IS THE SECOND REPORT I HAVE FILED IN REGARDS TO THIS VEHICLE. THE PART NUMBER ASSOCIATED WITH THIS FUEL TUBE IS 35305-2G700. THE FIRST REPORT WAS WHEN THE ENGINE BLEW NOVEMBER 2015 WHILE COMING OFF I-57S IN BOURBONNAIS, ILLINOIS. THAT REPORT NUMBER IS 10807620. 3 INVOICES OF REPAIRS SHOULD BE ATTACHED.
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