The contact owns a 2007 Hyundai Sonata. The contact stated that the vehicle failed to start. The failure was recurring. The vehicle was taken to an independent mechanic, who advised that the fuel pump would need to be replaced. The vehicle was repaired. The manufacturer was not notified. The failure mileage was 44,863. Updated 12/17/13 the module burned into the fuel injection. The module was not sufficient to operate the fuel injection process. Updated 12/18/13

- Middleton, MA, USA

2007 Hyundai Sonata,6cy.gl:started 6-7 months ago and is still happening.3 problems to report: 1)car maintains speed at same rate as in driving, after foot is off gas pedal.2) distance is very long- sometimes 1000 feet or more and then decelerates normally.3) several times speed has increased after this unactivated speed has been braked and then brake pedal released. No floor mars were in car. Response by Hyundai: A) computer was tweaked B) air filter replaced !!! C) replaced accelerator part. No change. This is a very dangerous fault especially in rain and ice. The car in no longer safe. Now, after trying to repair the problem and failing, service mechanic says there is no problem!! what to do "?" this car has been in to dealer for every check recommended by Hyundai and well maintained. There are internet comments about speed problems with the 2007 Hyundai.

- Toronto Ca, 00, USA

The contact owns a 2007 Hyundai Sonata. Upon purchasing the vehicle, the contact was informed that it would get 24 miles per gallon in the city and 34 miles per gallon on the highway. She began recording how many miles to the gallon the vehicle was getting beginning in may of 2007. According to her records, the vehicle gets 17 miles in the city and 25 miles in the highway. The current mileage was 18,248 and failure mileage was 2.

- Massapequa, NY, USA