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CEL Code P0420

 
Old Jan 21, 2010 | 06:21 AM
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Billman250
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Definitely a cat on it's way out. not a bad 02.

You could just buy spacers for the rear o2 and call it a day

BUT...this is considered emmisions tampering...so use discretion.
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Old Apr 22, 2010 | 07:10 PM
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nofrenfish
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having the same issues, but i have aftermakert headers, should i change the spark-plugs, will post pics lata
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