A series of questions of Chery A5 help to answer.

The abnormal sound of cold car starting should be the * * * vibration sound when idling. The metal collision sound on the bumpy road depends on what part and what sound it is. Throttle falling into something will definitely reduce the displacement, so if the fuel is not burned sufficiently and seriously, it will knock and affect the life of the engine. 120km 3000 rpm What gear are you in? Generally speaking, the fourth gear should be about the same. EPC light is an engine fault light. When the ignition is turned off, it means that there is no engine fault.

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