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SYSTEM AND METHODS FOR PURGING A FUEL VAPOR CANISTER

  • US 20150354478A1
  • Filed: 06/10/2014
  • Published: 12/10/2015
  • Est. Priority Date: 06/10/2014
  • Status: Active Grant
First Claim
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1. A method for purging a fuel vapor canister, comprising:

  • responsive to a canister load decreasing below a first threshold, reversing a direction of air flow through the fuel vapor canister while maintaining purge air intake at a vent line inlet.

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