Toyota Highlander owners have reported 253 other fuel system related problems since 1996. Table 1 shows the 8 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system (183 problems). The second most common problem is related to the vehicle's other fuel system pump (32 problems). For details of each of the problem category, use the links in the table.
Today (8/26/2025) my wife experienced the engine light kicked on and that the awd system needed to be checked. After fueling up it made knocking noises and difficulty starting, and took two times to start up. Ran an obd scan and this is what it says, which is related to fuel pump low pressure. Read details...
Vehicle is slow to respond and/or has intermittent performance when accelerating or moving from complete stop. There is lag time in the vehicle's response to driver acceleration which makes it challenging to enter (from roadway or driveway) oncoming traffic or merge into interstate/freeway traffic. Read details...
What component or system failed or malfunctioned, and is it available for inspection upon request? the car smells of gasoline, especially when it is hot outside. The smell travels in the car and makes me smell like gas and also through the airv ents when parked in the garage. Read details...
I reported my gas tank not filling past 12. 9 gallons of gasoline on numerous fill ups on my new 2021 Highlander hybrid platinum to Toyota service department. The Highlander on invoice says it�s a 17 gallon tank capacity. Toyota service depart refilled my empty tank to12. Read details...
The 2021 Toyota Highlander hybrid gas tank is exactly 17. 1 us gallons in size but even when the low fuel indicator light turn on and the the fuel gauge is at near empty it will only accept a maximum of 12. 9 to 13. 8 gallons. Read details...