2017 Subaru Legacy Fuel system Problems
- Complaints
- 4about this part
- Share
- 3%of 119 total for the year
- Median mileage
- 800miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the fuel system of the 2017 Subaru Legacy, 3% of the 119 complaints for this model year. Where a mileage was given, the median is 800 miles.
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 contact owns a 2017 Subaru Legacy. While depressing the brake pedal and coming to a complete stop, the engine shut off without warning. The contact was able to restart the vehicle and it operated normally; however, the failure later occurred several times. The dealer performed diagnostic and fuel testing, which produced a code of p1603 and a good fuel reading; however, the contact was advised to use a different fuel station. The manufacturer was made aware of the failure. The failure mileage was approximately 800.”
NHTSA complaint #10980237, filed 2017-04, 800 miles“When running on a highway and you press down on the accelerator hard to merge onto a highway or go around a vehicle to move out of the way of vehicles quickly coming up behind you, the engine takes over and speeds up on its own. It has occurred three times on a newly purchased used car and it will increase speed up to 100mph. You have to press intermittently on the brakes to pull over to the shoulder and turn off the car for five minutes for the car to reset. If you try to just break, you get a burning smell. …”
NHTSA complaint #11513949, filed 2023-03Related service bulletins
- 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…
- 11008273Sep 23, 2024Denso low pressure fuel pump warranty extension.
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 2017 Subaru Legacy
35 complaintsElectrical system
30 complaintsOther or unknown
21 complaintsSteering
9 complaintsAir bags
7 complaintsBody and structure
6 complaintsBrakes
5 complaintsEngine
5 complaintsTransmission and drivetrain
4 complaintsBack-over prevention (rear camera)
2 complaintsSuspension
2 complaintsVehicle speed control
2 complaints
← All problems reported for the 2017 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