Engine would stumble at low rpms then stop?

2019 HYUNDAI SONATA
80,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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THEBADBRAD
  • MEMBER
  • 1 POST
engine would stumble at low rpms then stop. diagnosed with failing high pressure fuel pump by Hyundai technicians. replaced part. problem persists but much less frequently. restarts immediatly after quitting and performs admirably until the next episode
Sep 23, 2025 at 11:48 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
I have seen the fuel pressure senso go out on these cars and cause this problem, lets do a scan to see if any codes can help us confirm the issue. This video will help

https://youtu.be/u-4syLc-ifQ

Please go over this guide and get back to us.
Sep 25, 2025 at 10:19 AM
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