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George H.
George H., Hyundai Technician
Category: Hyundai
Satisfied Customers: 2078
Experience:  Hyundai Gold certified, ASE Master tech 15+ years
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Driving at 55 or 60, the engine would intermittently fail to

Customer Question

Driving at 55 or 60, the engine would intermittently fail to rev up when I depressed the accelerator to speed up or climb a hill. Even if I shifted to neutral and pressed the accelerator it would not rev at first. After a moment it cleared and ran fine. This happened 3 or 4 times in a distance of 30 miles. The car is a 2013 Hyundai Sonata with 35000 miles on it. We recently bought it so are not very familiar with it . Did not notice the check engine light but I was busy looking for a place to pull over if it continued to not pull.
JA: Does the light stay on, or does it blink?
Customer: Did not see the light at all.
JA: What is the model of your '55 Hyundai?
Customer: It is a 2013 Hyundai Sonata GLS
JA: Are you fixing your Sonata yourself? What have you tried so far?
Customer: No, I'm taking it to the dealer today.
JA: Anything else you want the mechanic to know before I connect you?
Customer: That's all
Submitted: 11 months ago.
Category: Hyundai
Expert:  Cary York replied 11 months ago.

Hi, I’m Cary and I’ll be helping you today.
Please understand that I can't smell, hear, or touch the vehicle, so patience is appreciated. Before leaving the site make sure and leave me a rating. You can still reply to me as many times as needed, even after the rating..

I would stop by a parts store and have it scanned for codes anyway. It may have a pending code we can use to help diag. A pending code could be stored and still no check engine light. I will look for service bulletins. Be right back.