There are 1 owner-reported fuel system complaints for the 2010 Toyota FJ Cruiserin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The rear fuel tank mounting strap rusted in half. After filling vehicle with fuel and driving 10 miles home, I noticed the skid plate hanging down that covers the fuel tank. The plastic skid plate started to crack from the weight of the tank. The design of the skid plate to the tank allows moisture and contaminants to reside between the two, rotting the straps. Thankfully I noticed this as if I had kept driving I fear the tank would have completely fallen out of the vehicle. I ordered new straps and hardware, but during the parts search I found many owners of the Toyota FJ, all years, are having the same problem. Apparently the straps are just mild steel and were not treated with any corrosion preventative from the factory. I feel they should have been at least stainless steel. Part numbers for the straps are 77602-35050 and 77601-35110. I'll have photos once the parts come in and I take the vehicle apart. Currently I have a floor jack holding up the tank. Also to clarify, the skid plate is mounted to the fuel tank straps. Once both straps let go, the fuel tank is coming out with the skid plate. The fuel tank is located in front of the rear axle, the vehicle would run over it's own fuel tank, at least until the engine shuts off.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on May 4, 2026