Pulled code P0420
11-26-2003, 01:21 PM
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Join Date: Apr 2003
Location: Illinos
Posts: 170
Car Info: VW
Pulled code P0420
Catalyst in-efficiency....(or something ) sorry I dont have my obdII
scanner here or id give you the real code meaning. Anyway I have an '02 RS w/COBB CAI & Catback for 6000+Miles. CEL came on yesterday (btw it was like 28 degrees out, first cold morning of the year) pulled the code and cleared it last night. It hasnt thrown any more since being cleared.
My ? is, was that just a fluke? Result of very cold Temps?....etc?
or does anyone know what did/could cause it. Just lookin for any info you may have. Thanks
scanner here or id give you the real code meaning. Anyway I have an '02 RS w/COBB CAI & Catback for 6000+Miles. CEL came on yesterday (btw it was like 28 degrees out, first cold morning of the year) pulled the code and cleared it last night. It hasnt thrown any more since being cleared.
My ? is, was that just a fluke? Result of very cold Temps?....etc?
or does anyone know what did/could cause it. Just lookin for any info you may have. Thanks
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