2021 Toyota Tundra Fuel System Problems
1 owner-reported fuel system complaint from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (1)
When you try to fill up your gas tank, fuel is backing up and spilling out onto you instead of flowing into the tank. This has happened twice — first around 18,000 miles and again about a year later — and your dealer couldn't figure out why. You've noticed it happens when it's extremely hot outside (over 105°F) and your tank is about a quarter full after several hours of driving. The fix will likely involve inspecting or replacing the fuel filler neck, vent system, or related components that may be causing the fuel to back up.
Parts you may need:
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