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codes p0420 and p0430 on my a4 2.4 v6

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  #1  
Old 05-12-2012, 03:14 PM
scanny1's Avatar
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Default codes p0420 and p0430 on my a4 2.4 v6
i have these codes come up p0430 and p0420 on my a4 2.4 v6 saying catalyst below effeceincy ,but cant see how both would come up at the same time whats the odds if the catayst have gone .any ideas
 
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  #2  
Old 05-13-2012, 10:46 AM
Dan1969's Avatar
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I get them randomly, it's usually the gas, better quality gas, or it could be your O2 sensor.
 
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  #3  
Old 05-14-2012, 12:36 PM
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looks like ur cats dumped you. p0420 is your cat. U can either try to use a spacer and new 02 sensor orr get a new cat orrrr get a hfc. the v6 has two cats right dan?
 
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Old 05-14-2012, 12:57 PM
scanny1's Avatar
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what do you mean hfc?
 
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  #5  
Old 05-15-2012, 01:20 PM
pa4ul's Avatar
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high flow cat. Those sometimes stop the cell but most of the time u need a spacer to rid it of that. Unless u buy a brand new cat from audi. Which is $$$$$$$$$!!!
 
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  #6  
Old 03-25-2014, 09:44 PM
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What and where do you put a spacer?
 
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  #7  
Old 03-26-2014, 11:26 AM
pa4ul's Avatar
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u put the spacer inbetween the 02 sensor and the cat.
 
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