2018 Hyundai Sonata misfire / rough idle reports
16 NHTSA complaints describe misfiring cylinders or rough idling on the 2018 Hyundai Sonata — roughly 4% of all complaints for this model year.
16
Misfire / rough idle reports
4%
share of complaints
27,000 mi
median reported incident mileage (all complaints)
Components reported on this vehicle
Misfire / rough idle in other Sonata years
| 2023 Sonata | 8 |
| 2017 Sonata | 22 |
| 2016 Sonata | 26 |
| 2015 Sonata | 20 |
Other symptoms owners describe on the 2018 Hyundai Sonata
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2018 Hyundai Sonata report before drawing conclusions.