2013 Chevrolet Sonic engine problems
55 owner complaints filed with NHTSA name the engine on the 2013 Chevrolet Sonic — 25% of all complaints for this model year.
What owners report
“Vehicle enters into catalyst monitor too early. Monitor Fales indicating that the catalyst is below efficiency threshold. A vehicle is run for a significant amount of time before being allowed to enter the driving conditions for the catalyst monitor, monitor will pass. This indicates that there is…”
filed Jun 10, 2025
“Was driving in heavy rain when car suddenly cut power and decelerated showed code 84 and the CEL came back with P2138. It is a known issue that rain gets up into the connector and causes a malfunction.”
filed Jul 22, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Sonic years
| Year | Reports | Share |
|---|---|---|
| 2017 Sonic | 19 | 51% |
| 2016 Sonic | 13 | 27% |
| 2015 Sonic | 23 | 20% |
| 2014 Sonic | 38 | 26% |
| 2012 Sonic | 82 | 23% |
Other reported problem areas on the 2013 Chevrolet Sonic
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.