Fuel system priming method

Details Fuel system priming method Fuel system priming method

1998-02-26

1999-07-27

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123457, 123497, 123516, F02M 5500, F02M 6900

Patent

active

059272538

ABSTRACT:
A fuel system priming method for an internal combustion engine having a returnless fuel system and electronic fuel injection includes sensing fuel pressure rate of rise during priming. The fuel pump is first activated to pressurize the system and then the injectors are controlled for a short interval in response to the sensed rate of pressure rise to vent trapped air in the fuel system. The fuel pump is then activated again to pressurize the fully primed fuel system for quick engine starting.

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