Page 276 - Methods For Monitoring And Diagnosing The Efficiency Of Catalytic Converters A Patent - oriented Survey
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258    Methods for Monitoring and Diagnosing the Efficiency of Catalytic Converters



                8) calculating the temperature value of the catalytic converter from a formula that  uses the
                  temperature of the catalytic converter during normal operating conditions of the engine as a
                  parameter, when the total heat quantity is greater than the reference heat quantity




                Other  methods  presented  by  Nissan  Motor  Co  can  be  found  in  JP8082213 (1996) and
                JP8093456 (1996).
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