make sure all are good before cats be replaced.

来源: fixanycars 于 2009-10-11 21:32:24 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (280 bytes)

Warm-up three way catalyst
Exhaust tube, no any leaking
Intake air, no leaks
Injector, no leaks
Spark plub, in good condition
Improper ignition timing.
All above trouble will set code P0430.

If you have O2 sensor related code, deal with those codes first.

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