It doesn't matter how powerful your engine is on paper if it's not getting the right air-fuel ratio. Fuel injection problems mean low power output, wasted fuel, noxious emissions or heat and friction damage to the engine. Fortunately, there...
The Porsche Cayenne sport utility family gets a new member for 2013: the Cayenne Diesel. The newest Cayenne model joins the Cayenne, Cayenne S, Cayenne S Hybrid and Cayenne Turbo.
