Other Fuel System Related Problems of the 2021 Toyota Highlander

Table 1 shows four common other fuel system related problems of the 2021 Toyota Highlander. The number one most common problem is related to the other fuel system (17 problems). The second most common problem is related to the other fuel system tank assembly (eight problems).

Table 1. Other Fuel System related problems of Toyota Highlander


Recently reported Other Fuel System problems of the 2021 Toyota Highlander

The Other Fuel System problem

While driving westbound on I-8 at approximately 70 mph in the left lane, a warning message suddenly appeared on my dashboard stating that a malfunction in the hybrid system had been detected. Immediately after the alert, the vehicle lost power and stopped accelerating.   Read details...

The Other Fuel System Tank Assembly problem

Highlander has same issue as the 2019-2020 Toyota rav4 fuel issue identified by the NHTSA: vehicle fuel gauges displaying less than full and/or total fuel dispensed is less than expected, when the fuel nozzle automatically clicks off.   Read details...

The Other Fuel System Tank Filling/charging problem

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...


Other Fuel System related problems in other Toyota Highlander model year vehicles:



Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations