Cannot accelerate after 30 mph?

2016 HYUNDAI ACCENT
80,000 MILES • 1.6L • 4 CYL • 2WD • AUTOMATIC
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JUNIOR1964
  • MEMBER
  • 36 POSTS
I was driving at 30 mph then when i was trying to accelerate more than 30 mph the car is not responding to drive faster what wrong should it be?
Jan 29, 2026 at 11:08 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
It sounds like the catalytic converter has come apart and is blocking the outlet not allowing the engine to gain its full power. Do you have a check engine light on? if so we should run the codes, this video will show you how.

https://www.youtube.com/watch?v=LBCpCWEFnTg

Also, please go over this video as well, it shows all causes of engine with low power.

https://www.youtube.com/watch?v=U1RoG3I-Oww

Please go over these guides and get back to us. Please upload a short video in your response of the problem, so I can see what's going on
Jan 30, 2026 at 8:43 AM
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