06-25-2012, 11:07 AM
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#7
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AF Enthusiast
Join Date: Mar 2008
Location: garner, North Carolina
Posts: 3,579
Thanks: 86
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Re: 2002 Pontiac Montana Error code P0420
You might use a H20 cheater down stream until a new catalytic converter @
www.catalyticconverterwarehouse.com
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