Help with some codes.
03-16-2010, 07:06 PM
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Staging Lane
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Join Date: Feb 2009
Location: Snowbelt of PA
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Help with some codes. I just had my header/catless car tuned by mail. I have driven 40 miles and now have 2 codes. P0155 and P0140, would these have to do with my front O2 sensors? The rear ones are gone.
