2020 Subaru Legacy Fuel system Problems
- Complaints
- 1about this part
- Share
- 1%of 121 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2020 Subaru Legacy, 1% of the 121 complaints for this model year. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The Thermo control valve is faulty and my friends is too. There is a class action lawsuit concerning this part. I replacement part was designed in 2021 and Subaru is aware of this issue, but refuses to do a recall. So far 2019, 2020 and 2021 models are affected.”
NHTSA complaint #11578035, filed 2024-03Related recalls
- 21V587000Jul 29, 2021Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86…Covers: Subaru Legacy 2018–2020, Outback 2018–2020, Impreza 2018–2020 +5 more
Related service bulletins
- 11035660Jul 28, 2026This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1). (This is an revised…
- 11035654Jul 27, 2026This bulletin announces design changes made to the fuel injector in response to the DTCs listed. (This is an revised version of the original bulletin.)
- 11034264Jun 26, 2026This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
- 11034250Jun 25, 2026This bulletin announces design changes made to the fuel injector and fuel pipe in response to the DTCs listed DTC P030* / Engine Knocking / DTC P219C-D-E-F. (This is an revised…
- 11027978Jan 8, 2026This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1).
- 11027090Dec 12, 2025This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
- 11027081Dec 8, 2025This bulletin announces the diagnostic procedures to be used when DTCs P2096 (POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1) and P2097 (POST CATALYST FUEL TRIM SYSTEM TOO RICH…
- 11018914May 29, 2025This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
- 11017438Apr 14, 2025This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
- 11016180Mar 27, 2025This bulletin announces availability of new combination meter reprogramming files developed to address cases of inaccurate fuel economy displayed on the Center Information…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 17% |
| 2020 | 1 | 1% |
| 2019 | 5 | 4% |
| 2018 | 8 | 7% |
| 2017 | 4 | 3% |
| 2016 | 3 | 2% |
| 2015 | 15 | 9% |
| 2014 | 1 | 2% |
| 2013 | 1 | 2% |
| 2012 | 2 | 2% |
| 2011 | 7 | 4% |
| 2010 | 5 | 3% |
| 2009 | 1 | 2% |
| 2008 | 3 | 5% |
| 2006 | 16 | 18% |
| 2005 | 27 | 15% |
| 2004 | 5 | 10% |
| 2003 | 9 | 15% |
| 2002 | 15 | 28% |
| 2001 | 19 | 25% |
| 2000 | 5 | 5% |
| 1999 | 7 | 7% |
| 1998 | 8 | 7% |
| 1997 | 9 | 6% |
| 1996 | 8 | 7% |
| 1995 | 18 | 10% |
| 1994 | 4 | 7% |
| 1993 | 2 | 3% |
| 1992 | 2 | 4% |
| 1991 | 1 | 1% |
| 1990 | 4 | 5% |
Other parts of the 2020 Subaru Legacy
66 complaintsOther or unknown
26 complaintsElectrical system
15 complaintsForward collision avoidance
7 complaintsTransmission and drivetrain
7 complaintsEngine
4 complaintsVehicle speed control
4 complaintsBrakes
2 complaintsLane departure
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2020 Subaru Legacy
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology