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#1 Old 01-13-2014, 12:30 PM
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Question Acceleration hesitation

I have a 2013 Azera. Occasionally, when I accelerate getting into traffic an a highway, the vehicle seems to die down. After I take my foot off the accelerator and accelerate again, the car acts normally. This has occurred several times. I brought it into the dealer twice and they could not find any problem. This is a serious issue, sinc the car could be rammed by oncoming traffic.
I looked at other problem forums, and found a similar problem listed for a Genesis. See quote here:
I've just bought my new 2012 Genesis sedan two months ago and have a very annoying hesitation problem when I'm going a under 5 miles/hour then try to accelerate. Nothing happens when I step on the gas for 1-2 seconds. Almost got me into an accident last week trying to pull into traffic. Took it to the dealer and they claim they could not duplicate the problem. That night, leaving the dealer it happened twice!
Today, I rented a 2013 Sonata for my visiting daughter, and experienced the same problem once. Any comments?
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#2 Old 01-13-2014, 02:12 PM
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If you brake with your left foot, make sure you are not pressing the brake pedal when accelerating from a stop, which some drivers do to better control acceleration. Because of the brake-throttle lockout feature, if the brake is pressed after the accelerator, the engine will go to idle regardless of accelerator position. If the brake pedal is pressed and held before the accelerator is pressed, the car will accelerate normally.

There have been reports of the Santa Fe hesitating upon accelerating. This problem seems to be corrected with a replacement of the throttle position sensor. Maybe that is the same issue here? Do a search of the 2007-2012 Santa Fe forum to read about the issue.
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#3 Old 01-13-2014, 03:36 PM
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Thanks. I'll look at the Santa Fe comments. Maybe I'll copy them and bring them to my dealer.
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#4 Old 01-13-2014, 06:59 PM
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Quote:
Originally Posted by ChetOB View Post
Thanks. I'll look at the Santa Fe comments. Maybe I'll copy them and bring them to my dealer.
Different engines different engine control. I don't see how they would be any help.
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#5 Old 01-15-2014, 12:11 PM
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They may have the same or similar engine/electronics.....????
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