Seven Common Problems With the Ford 5.4 Triton Engine Ford's 5.4 Triton engine is both capable and legendary, and if you treat it right, it could last a lifetime. That said, here are some common issues with the 5.4 Triton engine you should know about before making your purchase. 2005 Ford F-250 Engine Problems | CarComplaints 2005 Ford F-250 engine problems with 55 complaints from F-250 owners. The worst complaints are blown motor, spitting out spark plug, and front engine cover leaking. 2005 Ford F-250 Problems, Defects & Complaints The 2005 Ford F-250 has 212 problems & defects reported by F-250 owners. The worst complaints are engine, cooling system, and exhaust system problems.