2020 Subaru Forester engine problems
74 owner complaints filed with NHTSA name the engine on the 2020 Subaru Forester — 12% of all complaints for this model year.
What owners report
“My 2020 Subaru Forester Sport suffered catastrophic engine failure on 6/19/2026 at 156,322 miles, 15 days and 1,031 miles after a thermo control valve (TCV) repair performed at an authorized Subaru dealer on 6/4/2026. The TCV is a known defect covered under Subaru TSB 09-119-24 (extended coverage…”
filed Jul 17, 2026
“Vehicle entered limp mode at highway speed (approximately 70 mph) on [XXX] freeway in Washington State, it felt like I had rear ended a vehicle it shut down so hard. This was due to mis diagnosed inspection and service repair from a local Subaru Dealer. Vehicle lost power rapidly, creating a…”
filed Jun 3, 2026
“My car is violently shaking and completely stalling out in intersections when attempting to restart from an Auto-Stop.”
filed Jul 13, 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, 2026This 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 May 13, 2026
Engine problems in other Forester years
| Year | Reports | Share |
|---|---|---|
| 2025 Forester | 3 | 3% |
| 2024 Forester | 1 | 4% |
| 2023 Forester | 5 | 7% |
| 2022 Forester | 10 | 11% |
| 2021 Forester | 32 | 15% |
| 2019 Forester | 106 | 13% |
| 2018 Forester | 31 | 6% |
| 2017 Forester | 46 | 8% |
| 2016 Forester | 60 | 15% |
| 2015 Forester | 131 | 21% |
| 2014 Forester | 69 | 17% |
| 2013 Forester | 26 | 34% |
Other reported problem areas on the 2020 Subaru Forester
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.