All of the Following Statements Are True EXCEPT

All of the following statements are true EXCEPT:

A) if an engine failed due to an overheating problem, it is possible that the sensors for coolant temperature and the fan relay could be defective.
B) sometimes a piston will seize in the cylinder due to an air leak in the intake manifold or a fuel system problem, resulting in too lean an air-fuel mixture.
C) any fuel and cooling system hoses that are not in excellent condition must be replaced.
D) if a problem is one that is not the responsibility of the rebuilder, under the terms of the warranty the rebuilder is still liable for the cost of the repair.