bad cat converter is just the effect.

来源: xxhhwxc 于 2010-09-09 12:50:30 [] [旧帖] [给我悄悄话] 阅读数 : (172 bytes)
回答: 去年刚换的CAT CONVERTER不到一年就有P0420 由 majia01 于 2010-09-09 10:49:43

Did you find the cause?

If you didn't fix the problem (misfire etc) which caused cat converter to go bad in the first place, the new cat will not last long.

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