What happens to fuel in the pump chamber of a port-helix metering pump at port opening?
A. fuel is forced through the delivery valve
B. fuel spills to the charging gallery
C. fuel exits the fuel injector
D. fuel is re-routed to the transfer pump
Answer: B
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____________________ verifies that the system can hold a specified pressure for a required period of time.
Fill in the blank(s) with the appropriate word(s).