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Vehicle performance monitoring system

  • US 4,945,759 A
  • Filed: 02/27/1989
  • Issued: 08/07/1990
  • Est. Priority Date: 02/27/1989
  • Status: Expired due to Fees
First Claim
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1. A performance monitoring system for an engine-driven vehicle comprising:

  • means for determining manifold pressure of said engine;

    means for comparing manifold pressure of said engine to a manifold pressure threshold value;

    means for determining the total time during which the manifold pressure of said engine exceeds said manifold pressure threshold value; and

    means for determining the total time during which said engine is operating.

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