2017 Toyota Avalon Engine Problems
- Complaints
- 6about this part
- Share
- 43%of 14 total for the year
- Median mileage
- 17,515miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine of the 2017 Toyota Avalon, 43% of the 14 complaints for this model year. Where a mileage was given, the median is 17,515 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.
“Toyota's failure to install an auto-stop caused the carbon-monoxide poisoning of two (more) people, many dozens of such deaths reported. (detail: they had likely stopped the engine, but the wireless fob can re-start; and this model has an auto stop/start function that can also lead to death.] note: not my car, my parents.”
NHTSA complaint #11233544, filed 2019-07, 17,515 miles“Toyota's failure to install an engine auto stop caused the carbon monoxide death of two people. Car was stationary. Failure to have proper outside warnings like a honk to warn the operator not to remove the key from the car LED to this death.”
NHTSA complaint #11220224, filed 2019-06, 17,515 miles“Toyota's failure to install an engine auto stop caused the carbon monoxide death of two people. Failure to have proper outside warnings like a honk to warn the operator not to remove the key from the car LED to this death.”
NHTSA complaint #11220211, filed 2019-06, 17,515 miles“Leaving a parking lot, the car jumped out of gear. Thought maybe I had bumped the gear selector but attempts at putting the car in gear resulted in grinding noises and the only option was to put it in PARK. Check engine light came on. Mechanic diagnosed a speed sensor. Had this happened on the freeway or while trying to pass another car on a two lane and a speed sensor disable the entire car to me is dangerous and should be addressed. Had the check engine light come on, I would have had the sensor replaced right away. …”
NHTSA complaint #11490639, filed 2022-10“Toyota Avalon fails to have an ignition auto shut off which LED to death of two individuals. This design flaw did not prevent the car from idling indefinitely and filling the house with carbon monoxide' a toxic fatal gas. The car does not have proper external warnings like a honk to advise a driver they may have removed the key from the car.”
NHTSA complaint #11220141, filed 2019-06Related service bulletins
- 11005119Jun 19, 2024This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- 11005061Jun 19, 2024This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- 10164330Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections…
- 10152138Aug 18, 2017TSB: Some 2014 ? 2016 model year Highlander HV, 2015 Tacoma, 2015 ? 2016 Venza, 2015 ? 2017 4Runner, Avalon, Camry, and 2016 ? 2017 Avalon HV and Camry HV vehicles may exhibit a…
- 10149217Sep 14, 2016TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 13% |
| 2021 | 4 | 19% |
| 2019 | 7 | 10% |
| 2017 | 6 | 43% |
| 2016 | 4 | 17% |
| 2015 | 2 | 5% |
| 2014 | 2 | 2% |
| 2013 | 4 | 3% |
| 2012 | 1 | 3% |
| 2011 | 3 | 3% |
| 2010 | 1 | 2% |
| 2009 | 2 | 2% |
| 2008 | 2 | 1% |
| 2007 | 19 | 8% |
| 2006 | 12 | 3% |
| 2005 | 7 | 3% |
| 2004 | 3 | 1% |
| 2003 | 7 | 2% |
| 2002 | 1 | 1% |
| 2001 | 1 | 1% |
| 2000 | 4 | 2% |
| 1999 | 1 | 1% |
| 1996 | 2 | 2% |
Other parts of the 2017 Toyota Avalon
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsBrakes
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaints
← All problems reported for the 2017 Toyota Avalon
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