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Old 09-10-2009, 10:53 PM   #6 (permalink)
gtxracer
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Re: Threw Codes P0420 and P0430

I did search. Every thread is about trucks with mods. Mine has none. I run a K&N air filter and thats the extent of my "mods". I still haven't installed the PRG leveling kit I bought months ago because this is a commuter and parts hauler for me.

It's a stock '04 KC XE 4x4. No headers, no intake, no mods to the system. I didn't do anything to the truck prior to this code. It ran fine and still does. If anyone can help me before I go to the stealership on Monday I'd really appreciate it.

-Trevin
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