2019 Subaru Legacy Engine Problems
- Complaints
- 6about this part
- Share
- 5%of 123 total for the year
- Median mileage
- 15,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine of the 2019 Subaru Legacy, 5% of the 123 complaints for this model year. Where a mileage was given, the median is 15,000 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.
“catalytic converter plugged at 56,000 miles. cause the catalytic converter to get red hot and melt o2 sensors. this caused the cel to eliminate and make the safety features turn off. I plugged an obd2 reader in to the car and diagnosed the problem. I had to replace the entire catalytic converter assembly under the as well as all of the o2 sensors.”
NHTSA complaint #11579768, filed 2024-03“Constant battery issues. I've replaced the car battery 3 times and the car seems to be suffering from parasitic battery drain . It took a long time to diagnose the issue and I've been to the Rye Subaru dealership 2 times already and they are still trying to fix the issue. This is my daughters car and I'm constantly waiting for a phone call to have the car jump started. She works the night shift and I'm worried about her getting stranded at night.”
NHTSA complaint #11697447, filed 2025-11“The Cam Carrier has a leak due to Subaru using a cheap sealant. My car only has 80,000 miles and it is leaking. The subaru is know for this leak after researching it online. They say it is a safety issue cause the oil can fall on the exhaust making in a fire issue.”
NHTSA complaint #11737655, filed 2026-05“The contact owns a 2019 Subaru Legacy. The contact stated that while the vehicle was parked, there was an abnormal sound coming from the engine compartment, and the vehicle intermittently stalled. The contact stated that seconds later, the vehicle returned to normal operation. No warning lights were illuminated. The failure reoccurred on several occasions. The vehicle was taken back to the residence. The vehicle was not diagnosed or repaired. The contact researched and became aware of an unknown NHTSA Campaign Number; however, the VIN was not under recall. …”
NHTSA complaint #11751089, filed 2026-07, 15,000 miles“Unintended acceleration, on 2 occasions. First occasion, car was in DRIVE waiting at a traffic stop and the engine radically increased it's RPM from idle to over 6000 RPM, remaining there. Braking control maintained the automobile's position. Shifting the car into neutral caused RPM to increase further. The car was shut off, restarted, and seemed to function normally. On the second occasion, which occurred later the same day, the car was off and then started, and while still in PARK with my foot on the brake immediately jumped to over 6000, remaining there. …”
NHTSA complaint #11724063, filed 2026-03Related service bulletins
- 11034240Jun 1, 2026This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM) for certain vehicles equipped with 3.6L engines.
- 11033051May 1, 2026This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT)…
- 11027982Jan 12, 2026This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).
- 11027083Dec 8, 2025This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).
- 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…
- 11025790Nov 20, 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…
- 11023536Sep 30, 2025In the interest of customer satisfaction Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage in the models listed. The extension will address…
- 11022305Aug 11, 2025Subaru Service Technical Support Newsletter special edition.
- 11019948Jun 26, 2025This Bulletin is to inform you of the availability of the new auxiliary USB terminal and adapter cord designed to address cases of intermittent communication loss when using…
- 11017456Apr 28, 2025This bulletin announces an application change to the Remote Engine Starter (RES) control unit on 2019 Outback & Legacy models.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 50% |
| 2024 | 1 | 6% |
| 2022 | 1 | 3% |
| 2021 | 2 | 6% |
| 2020 | 4 | 3% |
| 2019 | 6 | 5% |
| 2018 | 10 | 9% |
| 2017 | 5 | 4% |
| 2016 | 7 | 5% |
| 2015 | 23 | 14% |
| 2014 | 5 | 9% |
| 2013 | 18 | 27% |
| 2012 | 23 | 26% |
| 2011 | 22 | 13% |
| 2010 | 31 | 21% |
| 2009 | 7 | 11% |
| 2008 | 4 | 6% |
| 2007 | 7 | 21% |
| 2006 | 16 | 18% |
| 2005 | 4 | 2% |
| 2004 | 5 | 10% |
| 2003 | 4 | 7% |
| 2002 | 4 | 7% |
| 2001 | 3 | 4% |
| 2000 | 1 | 1% |
| 1999 | 2 | 2% |
| 1997 | 1 | 1% |
Other parts of the 2019 Subaru Legacy
51 complaintsElectrical system
35 complaintsOther or unknown
20 complaintsForward collision avoidance
5 complaintsFuel system
5 complaintsVehicle speed control
4 complaintsSteering
3 complaintsBack-over prevention (rear camera)
2 complaintsBrakes
2 complaintsElectronic stability control
1 complaintsLane departure
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2019 Subaru Legacy
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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