Second post - hoping for some advice.

I've been trying, unsuccessfully to remove an 0xygen sensor. Its frozen. I tried heating up the flange with two propane torches - penetrating fluid - all to no avail.

At this point, I've rounded the sensors sides sufficiently so that I can't even use the oxy sensor socket anymore. A pipe wrench seems to be the only option - and with the sensor above the pipe, access is pretty poor.

Looks like I'm going to need to drop the pipe, eh? Anyone have any similar problems?

 

why are you replacing the sensor? is it the precat sensor? how many miles?

 

Roverguy 7: Sensor 2, Bank 2 (post cat driver side). Vehicle has about 80K. Replaced the other post cat sensor about 9 months ago. That one came out fine.

Any advice?

Thx
Bob

 

For anyone who's interested or happens onto this thread - the solution was to drop the pipe, drill out the old sensor - chase the sensor receiver threads (the old sensor was cross threaded when installed) - and re-install.