Fuel control system having cold start strategy
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United States of America Patent
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Jul 20, 2010
Grant Date -
Jul 2, 2009
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2007
priority date (Note) -
Expired
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Abstract
The present disclosure is directed to a method of operating an engine. The method may include injecting a primary fuel. The method may further include determining a need for a secondary fuel during starting of the engine and introducing the secondary fuel. The method may still further include determining an engine acceleration rate. The method may also include inhibiting the introduction of the secondary fuel when the engine acceleration rate is below an expected acceleration rate.
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