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Do O2 Sensors have anything to do with exhaust leaks?

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Old 07-12-2006, 12:18 PM
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Default Do O2 Sensors have anything to do with exhaust leaks?

I currently have an exhaust leak(and I cant fix it!), and I got my car scanned with OBD-2 and got codes of O2 sensors. How in the WORLD do I fix this exhaust leak? Will re-torquing the exhaust manifold bolts help any?
Old 07-12-2006, 12:25 PM
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well the first trick to fixing an exhaust leak is finding it. Do you know where it's leaking from?
Old 07-12-2006, 01:27 PM
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Pull the headers and try a set of new exhaust gaskets if the leak is between the head and exhaust header.
Old 07-12-2006, 02:58 PM
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if it is leaking upstream it will get false air and the fuel will go up becuase the car will think that it is running lean
Old 07-12-2006, 05:44 PM
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just look for a bunch of black soot
Old 07-13-2006, 04:22 PM
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well it is awfully difficult for me to actually root where its coming from. Any other way to check for it. How does that seafoam trick work for checking exhaust leaks?




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