You are testing a closed fuel injection nozzle using a nozzle tester. A pressure slightly less than design valve opening pressure is applied. If no fuel appears at the spray tip, the __________.
A
nozzle orifices are eroded
B
nozzle orifices are too small
C
needle valve spring is defective
D
needle valve is operating properly
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Question 1 / 205eccefa2bacbc34ba4d4783e
Question 1 of 205eccefa2bacbc34ba4d4783e
You are testing a closed fuel injection nozzle using a nozzle tester. A pressure slightly less than design valve opening pressure is applied. If no fuel appears at the spray tip, the __________.
You are testing a closed fuel injection nozzle using a nozzle tester. A pressure slightly less than design valve opening pressure is applied. If no fuel appears at the spray tip, the __________.