Method of compensating for changing fuels in a flexible fueled v

Details Method of compensating for changing fuels in a flexible fueled v Method of compensating for changing fuels in a flexible fueled v

1997-10-29

1999-08-24

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123 1A, 123575, F02D 4104

Patent

active

059412178

ABSTRACT:
The present invention provides a method of compensating for changing fuels in a flexible fueled vehicle using a fuel composition sensor. The methodology detects and models an alcohol concentration transition at fuel injector tips following a fuel addition. The methodology improves the accuracy of engine fueling during an alcohol concentration change by delaying the application of a fuel composition multiplier until the fuel analyzed by the fuel composition sensor actually reaches the injectors.

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