这个挺不错，看看

来源: soccer88 于 2016-03-26 09:53:15 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (779 bytes)
本帖于 2016-03-26 09:57:36 时间, 由版主 soccer88 编辑
回答: Code P0446，从哪儿开始检查？ 由 basicenglish 于 2016-03-26 08:31:52


- faulty vent control valve
- blockage at the vent hose, vent filter or vent control valve
- open or short in the vent control valve circuit
- bad charcoal canister
- EVAP system leak
- faulty EVAP system pressure sensor
- bad vacuum switching valve (VSV) (Toyota, Lexus)
- stuck open purge valve (solenoid)

 

 

 

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