One problem related to other fuel system tank assembly has been reported for the 2004 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Hyundai Sonata based on all problems reported for the 2004 Sonata.
Split fuel tank on the side, 2nd fuel tank to fail in the last 5 years. Hyundai claims there is no problems with fuel tanks, but google the Sonata fuel tanks and there is a ton of complaints. Hyundai will do nothing about it. No recall, no nothing. House and garage has severe gas smell and a large puddle of gas on the floor.
| Other Fuel System problems | |
| Other Fuel System Tank Filling/charging problems | |
| Other Fuel System Tank Assembly problems |