oxygen sensor - Page 2

redmaro · 03-25-2007, 08:28 PM

LOL, Its located on your turbo elbow.

redmaro · 03-25-2007, 08:33 PM

Theres a pic or the turbo and where the Oxygen Sensor is located.

ethan12510 · 03-25-2007, 08:39 PM

Okay i have found the o2 sensor but i cant seem to get it off!!

Does any one have any idea on how to losen those two bolts? the Bolts dont want to move at all.

redmaro · 03-25-2007, 09:02 PM

You found it!!!!

I took off mine with a ratchet and a socket. Maybe you can try and apply some heat to it.

ethan12510 · 03-26-2007, 12:15 AM

Well first off where does it plug into? Second i have broken some sockets trying to get it off!!!

Third what size socket did you use and does the new o2 sensor come with bolts? Thanks

IHateHacks · 03-26-2007, 12:52 AM

It plugs into a yellow connector near the cam sensor.

The 2 nuts holding it on are 12mm.

O2 sensor does not use bolts. There are studs threaded into the O2 sensor housing (turbine elbow) and the O2 is held on by the 2 12mm nuts. And no, a new O2 does not come with any new hardware, just a new gasket.

You better be careful taking those nuts off, if you snap the studs you will be up shits creek without a paddle. In other words, you will need to take the downpipe off and remove the turbine elbow and get a new one or have a shop remove the snapped studs.

Try using a penetrating oil like PB or like he said use heat, a propane torch should do the trick.

ethan12510 · 03-26-2007, 01:11 AM

well i got one nut off but the other one is really stuck, maybe even stripped? What are my options?

IHateHacks · 03-26-2007, 01:23 AM

There are a couple of options. The one that holds the most hope for you is try finding ANY size socket that "almost" fits on the stripped nut but is just barely too small. Then, hammer that bitch on there as hard as you can until it is jambed on the nut. You will ruin the nut and whatever socket you use, but its the only way you will be able to get the leverage to take it off.

But even that method doesn't work 100% of the time. So use this method at your own risk!

Good luck.

ethan12510 · 03-26-2007, 01:25 AM

okay thanks for that!!! Does any one have a picture of where the o2 sensor connects to becuse i cant seem to find an open connector? Sorry for being such a noob

IHateHacks · 03-26-2007, 01:32 AM

Dude, just follow the wire until you get to a big round yellow connector. You really can't miss it.

Unless.......Someone replaced the O2 sensor before and used a universal O2 sensor which requires you to splice it into your wiring harness therefore deleting your big round yellow connectors.

I could post a pic but I worked all day on my pos and I'm too tired to go play photographer right now.

03-25-2007, 08:28 PM	#11
redmaro walbro fp Join Date: Mar 2006 Location: arizona Posts: 432	LOL, Its located on your turbo elbow. __________________ MK3, Auto, Turbo.

03-25-2007, 08:33 PM	#12
redmaro walbro fp Join Date: Mar 2006 Location: arizona Posts: 432	Theres a pic or the turbo and where the Oxygen Sensor is located. __________________ MK3, Auto, Turbo.

03-25-2007, 08:39 PM	#13
ethan12510 3" Exhaust Join Date: Feb 2007 Location: Queensbury Ny Posts: 117	Okay i have found the o2 sensor but i cant seem to get it off!! Does any one have any idea on how to losen those two bolts? the Bolts dont want to move at all. Last edited by ethan12510; 03-25-2007 at 09:01 PM.

03-25-2007, 09:02 PM	#14
redmaro walbro fp Join Date: Mar 2006 Location: arizona Posts: 432	You found it!!!! I took off mine with a ratchet and a socket. Maybe you can try and apply some heat to it. __________________ MK3, Auto, Turbo. Last edited by redmaro; 03-25-2007 at 09:14 PM.

03-26-2007, 12:15 AM	#15
ethan12510 3" Exhaust Join Date: Feb 2007 Location: Queensbury Ny Posts: 117	Stuck? Well first off where does it plug into? Second i have broken some sockets trying to get it off!!! Third what size socket did you use and does the new o2 sensor come with bolts? Thanks

03-26-2007, 12:52 AM	#16
IHateHacks 20psi boost Join Date: May 2006 Location: New Haven/Hamden Posts: 793	It plugs into a yellow connector near the cam sensor. The 2 nuts holding it on are 12mm. O2 sensor does not use bolts. There are studs threaded into the O2 sensor housing (turbine elbow) and the O2 is held on by the 2 12mm nuts. And no, a new O2 does not come with any new hardware, just a new gasket. You better be careful taking those nuts off, if you snap the studs you will be up shits creek without a paddle. In other words, you will need to take the downpipe off and remove the turbine elbow and get a new one or have a shop remove the snapped studs. Try using a penetrating oil like PB or like he said use heat, a propane torch should do the trick.

03-26-2007, 01:11 AM	#17
ethan12510 3" Exhaust Join Date: Feb 2007 Location: Queensbury Ny Posts: 117	well i got one nut off but the other one is really stuck, maybe even stripped? What are my options?

03-26-2007, 01:23 AM	#18
IHateHacks 20psi boost Join Date: May 2006 Location: New Haven/Hamden Posts: 793	There are a couple of options. The one that holds the most hope for you is try finding ANY size socket that "almost" fits on the stripped nut but is just barely too small. Then, hammer that bitch on there as hard as you can until it is jambed on the nut. You will ruin the nut and whatever socket you use, but its the only way you will be able to get the leverage to take it off. But even that method doesn't work 100% of the time. So use this method at your own risk! Good luck.

03-26-2007, 01:25 AM	#19
ethan12510 3" Exhaust Join Date: Feb 2007 Location: Queensbury Ny Posts: 117	okay thanks for that!!! Does any one have a picture of where the o2 sensor connects to becuse i cant seem to find an open connector? Sorry for being such a noob

03-26-2007, 01:32 AM	#20
IHateHacks 20psi boost Join Date: May 2006 Location: New Haven/Hamden Posts: 793	Dude, just follow the wire until you get to a big round yellow connector. You really can't miss it. Unless.......Someone replaced the O2 sensor before and used a universal O2 sensor which requires you to splice it into your wiring harness therefore deleting your big round yellow connectors. I could post a pic but I worked all day on my pos and I'm too tired to go play photographer right now.

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