o2 sensor WELDED ON.
#1
o2 sensor WELDED ON.
I don't know what to think. it appears that the person who swapped out the exhaust manifold for headers really screwed up the o2 sensor. it appears do be welded into my exhaust headers... but I could be wrong.
obviously, when headers are fabricated for this car, the o2 sensor needs a hole to screw into. These things screw in, right? I've looked at loads of pictures of them and they appear to have a hex head and threads, so it makes sense that they would just screw right out. Who would have the knowledge to build freaking headers and then do something as stupid as welding it on?
I've soaked it in WD-40 and wrenched on it but nothing. what do you guys think? I just want to make sure that it definitely screws out.
obviously, when headers are fabricated for this car, the o2 sensor needs a hole to screw into. These things screw in, right? I've looked at loads of pictures of them and they appear to have a hex head and threads, so it makes sense that they would just screw right out. Who would have the knowledge to build freaking headers and then do something as stupid as welding it on?
I've soaked it in WD-40 and wrenched on it but nothing. what do you guys think? I just want to make sure that it definitely screws out.
Last edited by campfirestring; 06-27-2012 at 06:22 PM.
#6
^^^ First Google result:
Discount Nissan 280ZX Oxygen Sensor Autopartsdeal.com
O2 Oxygen Sensor Nut Bung 02 M18 x 1.5 THREAD | eBay
I've welded in several of those bungs... works like a champ!
Discount Nissan 280ZX Oxygen Sensor Autopartsdeal.com
18 x 1.5 mm thread size
I've welded in several of those bungs... works like a champ!
#9
If you're replacing it anyway, I just cut the wire off of mine so I could fit a socket around it easily. Also get some PB Blaster (or WD 40 if nothing else) and spray it a couple times a day and then try.
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