2021 Toyota 4runner Fuel System Problems
1 owner-reported fuel system complaint from NHTSA data
1
Complaints
Dec 2025 – Dec 2025
Date Range
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (1)
highFUEL/PROPULSION SYSTEM
Filed: Dec 2025
Your 4Runner won't start because it has no fuel pressure, even though there were no warning signs beforehand. With 135,000 miles on the odometer, this appears to be a fuel pump issue similar to recalls Honda has issued. A Toyota dealer will need to inspect and diagnose the problem.
Parts you may need:
fuel pumpShop on Amazon →fuel pressure regulatorShop on Amazon →fuel filterShop on Amazon →fuel pump relayShop on Amazon →
As an Amazon Associate, MyCarTSB earns from qualifying purchases.
NHTSA #: 11704362