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07-10-2005
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Join Date: Jul 2005
Location: Phoenix,AZ.
Posts: 1
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O2 sensors
I have removed my O2 sensors and found 1 to be light brown in color, the other to be black soot coverd in color. What would cause this? Possibly a leaking injector or could it be oil leakage from the manifold bolts and leaking into the exhaust stream? or something else? I need some input on this one.
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