WHILE DRIVING DOWN HIGHWAY, CHECK ENGINE LIGHT AND ELECTRONIC THROTTLE CONTROL SERVICE LIGHT DISPLAYED. EXITED HIGHWAY, DROVE 1-2 MILES MORE AND ENGINE WAS SMOKING WITH SMOKE ENTERING THE CABIN. EXITED THE TRUCK AT A SAFE LOCATION. USED HOOD RELEASE IN CABIN BUT DID NOT OPEN HOOD BECAUSE I SAW FLAMES THROUGH GRILLE. USED FIRE EXTINGUISHER BUT IT JUST SLOWED THE FIRE DID NOT PUT IT OUT. FIRE CONSUMED THE ENGINE AND HOOD. THE FIRE DEPARTMENT CAME AND PUT OUT FIRE. * (RECALL RELATED INCIDENT) TS