2023 Toyota Highlander fuel/propulsion system problems
16 owner complaints filed with NHTSA name the fuel/propulsion system on the 2023 Toyota Highlander — 9% of all complaints for this model year.
What owners report
“This 2023 Toyota Highlander XLE AWD has a recurring gasoline/fuel odor that began while the vehicle was still within the basic warranty period. The concern was reported to Toyota/dealer multiple times. At first, the odor was intermittent and difficult to duplicate, but the problem continued after…”
filed Jun 16, 2026
“I was involved in a vehicle crash on 7-1-25. I had just pulled out of the gas station and was coming up to a stop sign so I was only going about 8mph I put my foot on the brake and nothing happened. I had my foot all the way down on the brake pedal because I saw a car coming and they were traveling…”
filed Jul 20, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Highlander years
| Year | Reports | Share |
|---|---|---|
| 2024 Highlander | 4 | 10% |
| 2022 Highlander | 8 | 4% |
| 2021 Highlander | 31 | 6% |
| 2020 Highlander | 18 | 6% |
| 2019 Highlander | 86 | 18% |
| 2018 Highlander | 22 | 9% |
| 2017 Highlander | 28 | 11% |
| 2016 Highlander | 3 | 3% |
| 2015 Highlander | 4 | 2% |
| 2013 Highlander | 12 | 6% |
| 2012 Highlander | 3 | 2% |
| 2011 Highlander | 1 | 1% |
Other reported problem areas on the 2023 Toyota Highlander
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.