2024 Hyundai Elantra: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 10 owner complaints for the 2024 Hyundai Elantra that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11741490 (filed 06/02/2026): “The contact owns a 2024 hyundai elantra. the contact stated that while driving, check engine light illuminated, with a loss of power when accelerating. the vehicle was taken to the dealer where it was diagnosed with power train failure and received diagnostic code p040100. the vehicle was repai…”
- NHTSA complaint ODI #11703440 (filed 12/06/2025): “The gas pedal, would not work as i was trying to accelerate when going from the ramp onto the freeway. the pedal had no pump in it, it just went all the way down as i was trying to press and the car started slowing down. i had to pull over on the side of the freeway and restart the car for the pedal…”
- NHTSA complaint ODI #11677506 (filed 07/31/2025): “When you accelerate & let off the gas pedal, the vehicle still accelerated for 2 seconds after you release the gas pedal. it is like there is a delay with drive by wire signal. this situation can cause rear end collisions & hard panic braking. please recall this situation to prevent higher insur…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- NHTSA complaints API: ELANTRA 2024
- NHTSA complaints API: ELANTRA HEV 2024
- NHTSA complaints API: ELANTRA N 2024
Page last updated .