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MarcusMcRae
 Post subject: P0421 audi CEL
PostPosted: Sun Jul 24, 2011 10:24 pm 
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A woman that I work with has an audi A4 with this Cel. I did a quick search and it looks like it could be the cat or the O2 sensors. Anyone have any first hand knowledge with this CEL.

Vincent, please resist the urge.

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Vincent Keene
 Post subject: Re: P0421 audi CEL
PostPosted: Mon Jul 25, 2011 9:06 am 
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MarcusMcRae wrote:
A woman that I work with has an audi A4 with this Cel. I did a quick search and it looks like it could be the cat or the O2 sensors. Anyone have any first hand knowledge with this CEL.

Vincent, please resist the urge.


Well at least she's safe from being car jacked!

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Vincent Keene
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Charlie Guthrie
 Post subject: Re: P0421 audi CEL
PostPosted: Mon Jul 25, 2011 6:51 pm 
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Vincent, please resist the urge.

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