Technician A says that vehicles with electronic returnless fuel systems use pulse width modulation to power the fuel pump and maintain fuel pressure. Technician B says that the electronic returnless fuel system uses a power transistor to control the fuel pump. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
The switching valves on the AIR pump have failed several times. Technician A says that a defective exhaust check valve could be the cause. Technician B says that a restricted exhaust system could be the cause. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Effects of the sympathetic and parasympathetic nervous systems
A medical records department. (Paper records are becoming obsolete, replaced by electronic records.)
Systems and Organs of the Human Body
The downward movement of the piston draws the air–fuel mixture into the cylinder through the ...
Normal combustion is a smooth, controlled burning of the air–fuel mixture.
Start the fuel injector cleaning process by bringing the vehicle’s engine up to operating ...