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I had a CEL show up Friday afternoon. Got it scanned today and its code P0430, catalyst efficiency low-bank2. The possible causes noted are defective cat, misfire, vacuum leak, or engine oil leak. I am guessing its probably the first issue noted caused by changing my mid-pipes and removing 2 cats. Is this the code that would show up from modding the cats? I am thinking its finally time for the tune.
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Yup, and the misfire code is different it's the P0300 seriesOriginally posted by priz23 View Post
Vac leaks are P0420 I believe... I can look up the GMSI trouble tree on your code and email it to you if you like...Racing is my life, everything else is just minor details.
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Hello, my name is Bubbles and i am a mod-addict, and i drive a cashmaro.
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