http://www.obd-codes.com/p0420

来源: 北美胡同串子 于 2014-09-23 07:37:05 [] [旧帖] [给我悄悄话] 本文已被阅读： 次 (669 bytes)
A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for A damaged or failed oxygen sensor (HO2S) Downstream oxygen sensor (HO2S) wiring damaged or connected improperly The engine coolant temperature sensor is not working properly Damaged or leaking exhaust manifold / catalytic converter / muffler / exhaust pipe Retarded spark timing The oxygen sensors in front and behind the converter are reporting too similar of readings Leaking fuel injector or high fuel pressure Cylinder misfire Oil contamination

Read more at: http://www.obd-codes.com/p0420
Copyright ? OBD-Codes.com

所有跟帖： 

• 建议你先把车屁股架起来，看看排气管附近的皮管子是否有裂的。 -北美胡同串子- ♂ 给 北美胡同串子 发送悄悄话 (54 bytes) () 09/23/2014 postreply 07:46:21

请您先登陆，再发跟帖！

发现Adblock插件

如要继续浏览
请支持本站 请务必在本站关闭/移除任何Adblock

关闭Adblock后 请点击

请参考如何关闭Adblock/Adblock plus

安装Adblock plus用户请点击浏览器图标
选择“Disable on www.wenxuecity.com”

安装Adblock用户请点击图标
选择“don't run on pages on this domain”