Stopped at red light, when time to go, engine stalled. Attempted to restart unsucessfully. A/c was not running. Car was able to start after 30 minutes. Car was towed to dealership. Dealership was unable to dublicate problem after 15 miles.
2003 Hyundai Sonata engine complaints
Page 2 of 2: complaints 11 to 17 of 17, newest first, as owners wrote them.
The engine does reliably accelerate when the accelerator pedal is pressed. Sometimes there is up to a 3 second delay before the engine responds to commands from the accelerator pedal. At times the engine also accelerates very sluggishly compared to other 2003 4-cylinder. Hyundai sonatas that have been tested. Hyundai hasn't corrected this problem despite many attempts.
Engine misfiring
When vehicle is parked for over six hours , then upon starting vehicle and driving, vehicle would stall .vehicle has been taken to the dealer on three occasions, but problem is recurring.
While traveling on the highway and without prior warning, especially when going up hills, the vehicle lost power, it happened at least 5 times. The dealer stated there was no repair and to make sure the vehicle always had a tank of gas before going up a hill. *ak *cb
Engine check light comes on when driving vehicle.
Consumer called complaining about having problems with idle speed and vehicle will stall. Also stated that while driving the vehicle the vehicle will start loosing power on highway speed. Dealer was contacted and stated that this is a intermediate problem and unless hyundai sends out a letter or something that states the problem they can't do nothing about it. Ts
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