I can't get the O2 sensor out of my car's engine, and I'm starting to round off the bolt! [more inside]
posted by samw on Mar 12, 2009 - 19 answers

ScoobyFilter: It's time to replace the oxygen sensors in my 2001 Subaru Outback. "Universal" replacements run about half the cost of the OEM version. Am I asking for trouble by taking the cheap way out? [more inside]
posted by Opposite George on Jul 31, 2006 - 8 answers

I drove for about nine months on a bad oxygen sensor. Will my car suffer any long-term ill effects? [more inside]
posted by donpedro on Oct 8, 2005 - 12 answers