Table 1 shows 13 common engine and engine cooling related problems of the 2009 Hyundai Sonata. The number one most common problem is related to the engine and engine cooling (27 problems). The second most common problem is related to the check engine light on (eight problems).
Once the car gets slowed down and reaches 20 mph of speed by applying the brake or not. It gives a sudden jerk, which causes immediate reduction in speed. Read details...
The car drives normally until you press on the brakes after going high speeds it jerks. At stops if the car isn�t in neutral the engine stutters we�ve replaced the cam shaft sensor 3 times now and that�s the code that comes up everytime the check engine light comes on after the Read details...
Was driving on access road and the esc off light came on and the car started to stall- unable to accelerate. Had to pull to side of the road on wurzbach parkway. Took it to shop and had cam shaft, crankshaft sensors removed and replaced. Had $700 of other work done and car worked great for 2 weeks. Read details...