2021 Subaru Crosstrek engine problems
16 owner complaints filed with NHTSA name the engine on the 2021 Subaru Crosstrek — 14% of all complaints for this model year.
What owners report
“- Rod #4 failure of unknown cause, although there is speculation that current failure may be related to a major repair in oil system a year ago. - My safety along with my unborn child’s, husband’s and brother in law’s were all at risk. Another driver had to take evasive action to avoid hitting us…”
filed Jul 16, 2026
“Thermo Control Valve (TCV) causes a check engine light to come on and disables eyesight issue started May 29, 2026. The check engine would go on and off. Now it just stays”
filed Jul 6, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and…
02-193-24R · Service Bulletin/Repair Instructions · issued Jun 30, 2026
Engine problems in other Crosstrek years
| Year | Reports | Share |
|---|---|---|
| 2024 Crosstrek | 4 | 4% |
| 2023 Crosstrek | 5 | 16% |
| 2022 Crosstrek | 3 | 10% |
| 2020 Crosstrek | 5 | 7% |
| 2019 Crosstrek | 34 | 12% |
| 2018 Crosstrek | 32 | 16% |
| 2017 Crosstrek | 10 | 11% |
| 2016 Crosstrek | 13 | 10% |
| 2013 Crosstrek | 11 | 44% |
Other reported problem areas on the 2021 Subaru Crosstrek
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.