Quote:
Originally Posted by dmginc
did you use the extensions for the rear o2 sensors?
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Yes I did. From what I've read on here, the rear o2 extenders prevent the code P0420 or something. My friend (who is a certified mechanic) checked it out for a quick minute and said he thinks he heard a leak in the exhaust manifold on the passenger side so it may just be a gasket. The guy who emailed me from solo said most people use the stock gaskets and have no issues so I'm not sure what's going on but hopefully the shop will fix it no charge when I go.