If the Check Engine Light illuminates, indicating a problem with the front oxygen sensor, but the sensor tests okay, reprogramming the engine's control computer should fix the problem. Then, the Check Engine Light will no longer falsely illuminate and the acceleration, particularly from a stopped position, will be smoother.
Problems for specific Hyundai models:
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Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.
A creak or tick type may be noted from the sunroof when closed. This is commonly caused by drying of the sunroof weather strip. Our technicians recommend lubing the sunroof weatherstrip with a dry silicone lube to correct this issue.
On my third set of rear tires with 16000 miles. all worn out on the inside the rest of the tire is like new. Hyundai says that there is not a problem.
When I shift into sport mode and get on the throttle and then down shift into any lower gear it does not want to idle down. It stays around 3,000 rpm's which means I have to do some harder braking. I'm still looking for a solution.
The dealer tells me everything on the computer reads fine with no problems detected.
The problem Im having with my 2007 Sonata is the paint is peeling off like nail polish. And rusting on the hood near the wiper blades. Squiking front end during cold weather.
Had my car serviced and one week later I had no electric, not even dash light. Put key in ignition it would not start. Got jumper power to battery no electric power and removed jumper. tried moving shift lever and suddenly had power and it started. Took it to dealer and they said could nog find as long as it was working OK. Week later it happened again. Jiggled the the shift lever again and it started again. took it to dealer and he said next ...