2021 Subaru WRX Fuel system Problems
- Complaints
- 1about this part
- Share
- 8%of 13 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 2021 Subaru WRX, 8% of the 13 complaints for this model year.
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.
“Excessive blow by contaminating MAP sensors & creating lean/rich conditions. This causes loss of power, stalling and will lead to catastrophic engine failure. EGR system is faulty”
NHTSA complaint #11640227, filed 2025-02Related service bulletins
- 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…
- 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…
- 11012265Dec 19, 2024This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
- 11005617Jul 18, 2024This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
- 10201059Aug 30, 2021This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 4% |
| 2021 | 1 | 8% |
| 2020 | 1 | 6% |
| 2019 | 3 | 10% |
| 2018 | 7 | 16% |
| 2017 | 3 | 6% |
| 2016 | 2 | 6% |
| 2015 | 5 | 10% |
| 2009 | 1 | 2% |
| 2008 | 2 | 3% |
| 2006 | 4 | 29% |
| 2005 | 12 | 63% |
| 2004 | 35 | 83% |
| 2003 | 20 | 33% |
| 2002 | 295 | 69% |
Other parts of the 2021 Subaru WRX
6 complaintsEngine
5 complaintsElectrical system
2 complaintsOther or unknown
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsSeats
1 complaintsSteering
1 complaintsSuspension
1 complaints
← All problems reported for the 2021 Subaru WRX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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