nhtsa now investigating fuel leaks on 20 year old pickup trucks U.S. safety regulators are taking a look at a 20-year-old Nissan pickup over concerns it could pose a fire risk. The National Highway Traffic Safety Administration (NHTSA) has opened an investigation into approximately 75,300 model-year 2006 Nissan Frontier trucks following reports of potential fuel system issues. According to the agency, complaints point to symptoms including a strong smell of gasoline and instances of engines stalling during startup or while driving. Those warning signs have raised concerns about possible fuel leaks, which in turn could create a heightened risk of fire. 2026 Audi A6 TFSI: All the Details nhtsa now investigating fuel leaks on 20 year old pickup trucks These Are The 10 Most Dependable Car Brands In 2026