Technician A says that hotter than recommended operating temperatures break down engine oil additives. Technician B says that hotter than recommended operating temperatures create varnish and hard deposits. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
Fuel pump pressure is too low after engine start-up. Which of these could be the cause?
A) Excessive system voltage B) Defective fuel pump rely
C) Plugged fuel filter D) Restricted fuel return line
A first aid box should be centrally located in the shop and kept stocked with the recommended ...
Most air filter housings are located on the side of the engine compartment and use flexible rubber ...
Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ...
The tension of the spring in the fuel-pressure regulator determines the operating pressure on a ...
In a multiair engine design, the exhaust valves are opened by the exhaust camshaft lobes. Intake ...
Permafrost: Top layer temperatures increased by as much as 3˚C