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Method to control fuel vapor purging

  • US 6,715,462 B2
  • Filed: 06/04/2002
  • Issued: 04/06/2004
  • Est. Priority Date: 06/04/2002
  • Status: Active Grant
First Claim
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1. A method for operating an engine having a first and second group of cylinders, comprising:

  • operating in a first mode wherein the first cylinder group operates with air and substantially no injected fuel and the second cylinder group operates by combusting air and injected fuel;

    providing a request for fuel vapor purging;

    in response to said request, disabling said first mode of operation and operating the engine in a second mode of operation.

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