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o2 sensor replacement downstream


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rosekurcik
New User

Apr 18, 2013, 7:30 AM

Post #1 of 7 (3466 views)
o2 sensor replacement downstream Sign In

Hey! I have a 1998 toyota corolla le 1.8L. I'm trying to replace the downstream 02 sensor (after the cat). I located the sensor but don't know how to get to the connector. All the videos I watched had the connector just running along the exhaust frame. My car has it up under a metal plate that I guess I have to remove(pain in the ass). Is this how I get to it?? I wanna be sure before I jack the car up. Thanks for the help!


Discretesignals
Ultimate Carjunky / Moderator
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Apr 18, 2013, 7:51 AM

Post #2 of 7 (3444 views)
Re: o2 sensor replacement downstream Sign In

You have to remove the passenger side seat. The connector is under the carpet.





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rosekurcik
New User

Apr 18, 2013, 8:04 AM

Post #3 of 7 (3437 views)
Re: o2 sensor replacement downstream Sign In

Thanks for the response. This sounds like alot more work than I expected. I can take the seat out easy enough, but is there alot more steps after that or is it a pretty easy installation? I'm trying to save money by doing it myself. I'm a poor college student!!


Discretesignals
Ultimate Carjunky / Moderator
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Apr 18, 2013, 5:45 PM

Post #4 of 7 (3365 views)
Re: o2 sensor replacement downstream Sign In

Once you get the seat out and the carpet up, you understand what you have to do to remove the O2 sensor.

I can't remember if you have to unbolt the heat shield on that one and drop it down. I work on so many cars everyday, I can't remember my first name..Unimpressed





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Apr 18, 2013, 5:45 PM)


nickwarner
Veteran / Moderator
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Apr 22, 2013, 2:41 PM

Post #5 of 7 (3299 views)
Re: o2 sensor replacement downstream Sign In

I think being you live in a state that salts their roads you may want to take this one in. If you are broke you likely do not have the proper tools to get a frozen sensor out. A lot of times with a salted car I end up having to weld in a new threaded bung because the threads pull out when trying to remove the O2. I'm guessing you don't have a welder.

Wanted to warn you ahead of time what you might be up against. I live in WI so I get to see the evils of salt.


flidgeman
New User

Jun 6, 2014, 3:55 PM

Post #6 of 7 (2522 views)
Re: o2 sensor replacement downstream Sign In

hi i was wondering if you could help me with my 97geo
prizm?

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Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 6, 2014, 10:22 PM

Post #7 of 7 (2518 views)
Re: o2 sensor replacement downstream Sign In

Please read the FORUM RULES



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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