Question 1
Which diagnostic step is the most important aspect of diagnosis?
◦ Visual inspection
◦ Verify the problem
◦ Retrieve the trouble codes
◦ Check the service bulletins
Question 2
Which item is NOT important to know before starting the diagnosis of an engine performance problem?
◦ List of previous repairs
◦ Brand of engine oil used
◦ Type of gasoline used
◦ The temperature of the engine when the problem occurs