System and method for operating a direct injection fuel pump
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United States of America Patent
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Mar 29, 2016
Grant Date -
Nov 13, 2014
app pub date -
May 9, 2013
filing date -
May 9, 2013
priority date (Note) -
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Abstract
Methods and systems are provided for a direct injection fuel pump. The methods and systems selectively operate the direct injection fuel pump with varying levels of efficiency. In one example, an amount of piston lift of a direct fuel injection pump may be adjusted to selectively alter the pump's operating efficiency.
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