Service should include inspecting the condition of
- needle valve and seat function
- diaphragm function
- spring condition
- body housing for warping, according to manufacturer's specifications and instructor's guidelines.
Process/Skill Questions:
- What is the function of the fuel pump?
- What tools are needed to disassemble a fuel pump?
- How is a fuel pump cleaned?
- What type of fuel pump works the most efficiently?
- How is fuel pressure checked?