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Systems and methods for removing fuel from engine oil

  • US 9,611,780 B2
  • Filed: 07/21/2015
  • Issued: 04/04/2017
  • Est. Priority Date: 07/21/2015
  • Status: Active Grant
First Claim
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1. A coolant control system of a vehicle, comprising:

  • a fraction module that determines an oil fuel fraction based on an amount of fuel in an amount of engine oil; and

    a coolant valve control module that, based on the oil fuel fraction, selectively actuates a coolant valve to enable coolant flow from an integrated exhaust manifold (IEM) of an engine to an engine oil heat exchanger.

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