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Exhaust gas temperature measurement utilizing an exhaust gas sensor |
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Method and apparatus for inferring fuel mixture |
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System and method for monitoring a catalytic converter using adaptable indicator threshold |
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System and method for adaptive switch determination of exhaust gas sensors |
— |
1998-06-02 |
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Adaptive exhaust temperature estimation and control |
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Engine air/fuel control system and catalytic converter monitoring |
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1996-08-13 |
