2024 Toyota Highlander: Fuel/Propulsion System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 7 owner complaints for the 2024 Toyota Highlander that list the fuel/propulsion system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11761388 (filed 09/01/2026): “I have been experiencing a gas smell issue with my toyota highlander near the rear of the car by gas cap area upon putting in gas and driving. the smell starts typically when it’s a hot day outside and i only usually get half a tank worth of gas. after getting gas and driving about 15-30 mins. is wh…”
- NHTSA complaint ODI #11760159 (filed 08/27/2026): “Driving the vehicle a strong smell of fuel vapor is noticeable coming from rear driver side of vehicle by rear door and fuel cap area. this happens when car is driven for long periods of time or on hot days. i drive my car daily and it happens every day. smell gets so bad it gets in to the cabin are…”
- NHTSA complaint ODI #11757582 (filed 08/18/2026): “There is a strong odor of gasoline coming from the car, to the point where the fumes are so strong they’re entering our home and making it very unsafe. we brought the vehicle to the toyota dealership, and they said they couldn’t do anything about it. keep in mind the car is still under warranty. upo…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Varies
Depends on the specific failure; get a diagnosis first. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .