Gasoline Fuel System Related Problems of the 2020 Hyundai Sonata

Table 1 shows two common gasoline fuel system related problems of the 2020 Hyundai Sonata. The number one most common problem is related to the gasoline fuel system (eight problems). The second most common problem is related to the fuel pump (one problem).

Table 1. Gasoline Fuel System related problems of Hyundai Sonata

Problem Category Number of Problems
Gasoline Fuel System problems
8
Fuel Pump problems
1

Recently reported Gasoline Fuel System problems of the 2020 Hyundai Sonata

The Gasoline Fuel System problem

The contact owns a 2020 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who retrieved a diagnostic trouble code for the check valve.   Read details...

The Fuel Pump problem

The contact owns a 2020 Hyundai Sonata. The contact stated while driving at 35 mph, the vehicle made a booming sound. There were no warning lights illuminated. The contact then started to hear the sound outside the vehicle and noticed that the vehicle was losing gasoline very quickly.   Read details...


Gasoline Fuel System related problems in other Hyundai Sonata model year vehicles:



Sonata Service Bulletins
Sonata Safety Recalls
Sonata Defect Investigations