Engine Performance TEST Questions and Answers Already Passed

NB: All answers appear above the respective questions (Answers are above the questions). Electromagnetic induction Which term describes the principle used to create high voltage from low voltage? Both Technicians A and B Technician A says that platinum tipped spark plugs should never be re-gapped after being used in a running engine. Technician B says that spark plugs should not be removed from a hot cylinder head. Which technician is correct? True Some engines that use a gasoline direct injection system also have port injection. Both Technicians A and B Technician A says that most fuel injection systems use the PCM to control the pulsing of the fuel injectors. Technician B says that most fuel injection systems use the PCM to control the operation of the fuel pump relay. Which technician is correct? The injectors can be noisy, due to high fuel pressure