Technician A says that when filling an engine with oil, you fill it until oil is coming out of the filler hole. Technician B says that it is a best practice to check the oil before and after running the vehicle. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor B

c. Both A and B<br /><br />Both Technician A and Technician B are correct. It is important to fill the engine with oil until it is coming out of the filler hole to ensure that the oil level is adequate. Additionally, checking the oil before and after running the vehicle is a best practice to ensure that the oil level remains within the recommended range and to identify any potential issues with oil consumption or leaks.