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FUEL INJECTION CONTROL SYSTEM WITH EXEMPT AREA OF FUEL MAP

  • US 20090093941A1
  • Filed: 10/03/2007
  • Published: 04/09/2009
  • Est. Priority Date: 10/03/2007
  • Status: Active Grant
First Claim
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1. A fuel management module for use with an internal combustion engine having a plurality of fuel injectors, said internal combustion engine further having an electronic control unit (ECU) providing ECU fuel injector control signals, said fuel management module being coupled to said electronic control unit for receiving said ECU fuel injector control signals, said fuel management module providing a plurality of offset fuel injector control signals coupled to respective ones of said plurality of fuel injectors, said fuel management module comprising:

  • a memory for storing a fuel map defining a plurality of fuel offset values for a respective plurality of predetermined values of engine speed and throttle position;

    said memory further storing a definition of an exempt area within said fuel map;

    a programmed central processor for computing said plurality of offset fuel injector control signals in accordance with said fuel offset values stored in said fuel map; and

    means for prohibiting a user of said fuel management module from modifying said fuel offset values in said exempt area of said fuel map.

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