Thread: P0420 Code
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Old 07-08-2007, 12:39 PM
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NissanTech NissanTech is offline
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2004 Xterra
 
Join Date: Jun 2005
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Excellent recommendations goofy123!

J-Rat, you should also try reprograming the ECM with the latest program before replacing any parts. The dealer can do that for your for around $100
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Last edited by NissanTech; 07-08-2007 at 06:18 PM.
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