Question about 2006 Hyundai Sonata
Your car could be equipped with an electronic gas pedal - there is no direct linkage to the throttle body, it is a drive by wire setup, the 2006 Sonata's have this set up - I have a 2006 Sonata and experienced the same pronblem as you - the accelerator is a module that must be replaced - a technician should be able to retrieve the codes from the car's computer to verify problem.
Posted on Feb 05, 2010
It might not be the transmission. IF your needle is dropping that rapidly, more than likely you need to have your speedometer inspected UNLESS you feel your car **** and rapidly slow down from 100km to 80km. Then it's quite possibly a transmission issue.
IF you step on the gas, and you just feel the normal light push from stepping on the accelerator pedal and your needle is still dropping and moving, have the speedometer cable inspected as well as the speed sensor. One of the two, or even both, could be causing this problem.
~Hope this helps...
Posted on Aug 05, 2009
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