45.) While performing an oil change, the technician notices that the engine is covered in oil. Technician A says that to locate the scurce of the oil cak the engine may first need to be cleaned. Technician B says that to locate the source of the oil leak ,a fluorescent dye can be added to the engine oil and a black light can then be used to locate the leak Who is right? A. A only OB. B only OC. Both A and B OD. Neither A nor B

## Step 1<br />This problem is about diagnosing an oil leak in an engine. Technician A suggests cleaning the engine first to locate the source of the oil leak. This is a logical step because cleaning the engine can help to remove any excess oil that may be covering the engine, making it easier to identify the source of the leak.<br /><br />## Step 2<br />Technician B suggests using a fluorescent dye added to the engine oil and a black light to locate the leak. This is also a valid method. The fluorescent dye will glow under the black light, making it easier to spot the location of the leak.<br /><br />## Step 3<br />Both Technician A and Technician B are suggesting valid methods to diagnose an oil leak in an engine. Therefore, both are correct.