UNDER NORMAL OPERATING CONDITIONS,THE SPARKS PLUG WIRES FOR THE 3 REAR CYLINDERS ARE ROUTED IN A MANNER THAT PUTS THEM ON TOP OF THE FUEL RAIL,IN THE ODD OCCURRENCE THE SPARKS PLUG WIRES FAIL THEY CAN SEND A SHOCK OF ELECTRICITY AT THE FUEL RAIL CAUSING IT TO SHORT OUT THE IGNITION AND CAUSING A FIRE. *TR