Answer:
The answer to this question is given below in the explanation section. However, the correct option is Technician B.
Explanation:
There are eight steps procedures to diagnose the engine.
Step 1 Verify the Problem
Step 2 Perform a Thorough Visual Inspection and Basic Tests
Step 3 Retrieve the Diagnostic Trouble Codes (DTCs)
Step 4 Check for Technical Service Bulletins (TSBs)
Step 5 Look Carefully at Scan Tool Data
Step 6 Narrow the Problem to a System or Cylinder
Step 7 Repair the Problem and Determine the Root Cause
Step 8 Verify the Repair and Clear Any Stored DTCs
So the correct technician is Technician B that says that the second step is to perform a thorough visual inspection.