What happens in the HEUI fuel pump chamber when the plunger PRIME recess registers with the pump chamber spill port?
A. chamber recharge
B. plunger retracts
C. pressure collapse
D. end of injection
Answer: C
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While discussing measuring tools, Technician A says that when measuring clearance with a feeler gauge, there should be a slight drag when the feeler strip is moved through the area of clearance. Technician B says that if a feeler gauge that is 0.001" thicker will not fit into the gap, the correct measurement has been made. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What is used to time a Caterpillar CR fuel system high pressure pump to the engine?
A. spill timing B. electronic timing C. timing pin D. high pressure phasing
Tall safety stands would be used to _______
A) Help support the vehicle when a major component is removed from the vehicle B) Lift a vehicle C) Lift a component such as an engine high off the ground D) Both B and C
What is the function of a purge recovery unit?
What will be an ideal response?