| 摘要 |
A confidence enhancing method of a CPF differential pressure model is provided to prevent oil dilution and to improve durability of CPF. A confidence enhancing method of a CPF differential pressure model comprises a step(S300) of sensing the car speed of the vehicles; a step(S302) of converting to the soot playback mode the city mode; and a step(S303) of bringing back the soot within CPF according to the soot playback mode.
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