5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

ECU Code P0420???

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Old May 7, 2002 | 09:44 PM
  #1  
adman's Avatar
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Joined: Sep 2001
Posts: 788
ECU Code P0420???

Anyone ever get it??? It is a "Catalyst" error.
I need to know more deatails to troubleshoot a problem...

ADMAN
Old May 7, 2002 | 10:31 PM
  #2  
makeHerPurr's Avatar
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Joined: Nov 2001
Posts: 91
Re: ECU Code P0420???

Originally posted by adman
Anyone ever get it??? It is a "Catalyst" error.
I need to know more deatails to troubleshoot a problem...

ADMAN
Your three way catalyst is not functioning correctly/catalyst does not have enough oxygen storage capacity. PM your email and I'll send you the page on this code.
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