See also:

Guarding Against Exhaust Fumes
WARNING: If you smell exhaust fumes inside your vehicle, have this checked immediately. Do not drive your vehicle if you smell exhaust fumes. Carbon monoxide is present in exhaust fumes. Take pr ...

Engine
Engines are more efficient when they are clean because grease and dirt buildup keep the engine warmer than normal. When washing: • Take care when using a power washer to clean the engine. The h ...

Third generation
The 2007 Navigator was unveiled at the Chicago Auto Show in February 2006. It is joined by a long wheelbase Navigator L based on the Expedition EL and shares the new Ford T1 platform with that veh ...