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FUEL SYSTEM DIAGNOSTICS

  • US 20160290286A1
  • Filed: 03/30/2015
  • Published: 10/06/2016
  • Est. Priority Date: 03/30/2015
  • Status: Active Grant
First Claim
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1. A method for a fuel system, comprising:

  • indicating fuel tank oil-canning responsive to a higher than threshold rise in fuel tank pressure during or following application of vacuum to a fuel tank while each of a fuel temperature and fill level remain within a range.

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