Originally Posted By: Fitter30
After soaking the o2 sensor in kroil oil for three days , it's nots coming out. Wanting to weld a bung on the exhaust pipe before the the cat and relocate the sensor . Any thoughts on this would be helpful.
Can you get it to turn at all? Usually if they turn really hard after they're broken loose, then you're doomed to damaged threads. If you simply can't budge it, then there may be hope. Many times, if you can crack them loose, they'll spin out by hand.
Which sensor is it?