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Replacing Oxygen Sensor #370711 Jan 10, 4:52pm Jan 10, 4:52pm
Joined: Dec 2004
Posts: 40
Southern California
Beau OP
Member
2000 Toyota Celica
Beau OP
Member
2000 Toyota Celica

Joined: Dec 2004
Posts: 40
Southern California
Replacing Oxygen Sensor
my 00 celica has a faulty O2 sensor that needs to be replaced. my dad and i were thinking about doing it ourselves. My dad has replaced the oxygen sensors on a ford expedition before. my question is, does anyone know how much harder it will be to replace the O2 sensor on my car vs. the expedition. should we even attempt it, or just bring it to a mechanic (who quoted me $300 for the repeair)?

Re: Replacing Oxygen Sensor [Re: Beau] #370712 Jan 10, 4:54pm Jan 10, 4:54pm
Joined: Dec 2004
Posts: 150
norton, ks
xTc_celica
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2000 Toyota Celica
xTc_celica
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2000 Toyota Celica

Joined: Dec 2004
Posts: 150
norton, ks
are you sure its your o2 sensor or could it be your maf sensor?


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Re: Replacing Oxygen Sensor [Re: xTc_celica] #370713 Jan 10, 5:07pm Jan 10, 5:07pm
Joined: Dec 2004
Posts: 40
Southern California
Beau OP
Member
2000 Toyota Celica
Beau OP
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2000 Toyota Celica

Joined: Dec 2004
Posts: 40
Southern California
no, its 02. the dealerhsip already ran the diagnostics

Re: Replacing Oxygen Sensor [Re: Beau] #370714 Jan 10, 5:21pm Jan 10, 5:21pm
Joined: Feb 2004
Posts: 424
2000 White Toyota Celica
SeeULater
Senior Member
2000 Toyota Celica
SeeULater
2000 White Toyota Celica
Senior Member
2000 Toyota Celica

Joined: Feb 2004
Posts: 424
It is fairly easy if you get a direct replacement.

Re: Replacing Oxygen Sensor [Re: SeeULater] #370715 Jan 10, 6:29pm Jan 10, 6:29pm
Joined: Jan 2004
Posts: 1,612
St.George, UT
eric_h
2low2slow
2002 Toyota Celica GT
eric_h
2low2slow
2002 Toyota Celica GT

Joined: Jan 2004
Posts: 1,612
St.George, UT
wow thats alot, i got 2 02 sensors and a maf replaced free under warrenty, makes me happy, id say if you got the part do it yourself and save the money


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Re: Replacing Oxygen Sensor [Re: eric_h] #370716 Jan 10, 9:40pm Jan 10, 9:40pm
Joined: Sep 2003
Posts: 2,242
Fontana, CA
Lucky_317
Specialist
2000 Toyota Celica
Lucky_317
Specialist
2000 Toyota Celica

Joined: Sep 2003
Posts: 2,242
Fontana, CA
it's easy. do it yourself.


Best 60' 1.959 best 1/4 - 13.7 @ 101mph
Re: Replacing Oxygen Sensor [Re: Lucky_317] #370717 Jan 11, 7:56am Jan 11, 7:56am
Joined: Sep 2002
Posts: 91
strong island
defjukie
Member
defjukie
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Joined: Sep 2002
Posts: 91
strong island
well autozone told me it was the o2 sensor so I just ordered an o2 sensor from the dealer. However, this weekend, I cleaned my MAF sensor and the damn CEL has not come on since... thumbsup (I know, i should have done this first)

So, I've got a precat-o2 sensor for sale if you need it. Unopened. The receipt from the dealer says they don't take returns on "special orders". BS. But they give credit. I don't care, whatever. I got it for $150 total. If interested, PM me.

Re: Replacing Oxygen Sensor [Re: defjukie] #370718 Jan 11, 8:20pm Jan 11, 8:20pm
Joined: Nov 2002
Posts: 1,073
NW, PA
grcelica
Specialist
2001 Toyota Celica GT
grcelica
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2001 Toyota Celica GT

Joined: Nov 2002
Posts: 1,073
NW, PA
you got ripped. My dealer charged $125 for the sensor INSTALLED.

Re: Replacing Oxygen Sensor [Re: grcelica] #370719 Jan 12, 11:42am Jan 12, 11:42am
Joined: Sep 2002
Posts: 91
strong island
defjukie
Member
defjukie
Member

Joined: Sep 2002
Posts: 91
strong island
Originally Posted by grcelica

you got ripped. My dealer charged $125 for the sensor INSTALLED.


things happen. in all actuality, that was the cheapest dealer around here...others quoted me at $175 $160...so congrats to you!

Just called and they're letting me return it for my money back. nice.

Re: Replacing Oxygen Sensor [Re: defjukie] #370720 Jan 12, 6:44pm Jan 12, 6:44pm
Joined: Nov 2003
Posts: 453
Marietta, GA
Jtultra
Senior Member
2000 Toyota Celica
Jtultra
Senior Member
2000 Toyota Celica

Joined: Nov 2003
Posts: 453
Marietta, GA
make sure its your O2 though, my 00 GTS was throwing the faulty O2 codes, but it turned out to be a faulty ECU


The 2ZZ god
Re: Replacing Oxygen Sensor [Re: Jtultra] #370721 Jan 12, 11:03pm Jan 12, 11:03pm
Joined: Dec 2004
Posts: 40
Southern California
Beau OP
Member
2000 Toyota Celica
Beau OP
Member
2000 Toyota Celica

Joined: Dec 2004
Posts: 40
Southern California
how did you find out that it was the ecu? because my 00 GTS came up as P0141. O2 sensor, bank one, sensor 2 faulty. Maybe my ecu is bad. but thats pretty expensive isnt it?

Re: Replacing Oxygen Sensor [Re: Beau] #370722 Jan 16, 1:50am Jan 16, 1:50am
Joined: Jul 2004
Posts: 161
Baldwin Park, CA
XPunkJoeX
Member
2000 Toyota Celica
XPunkJoeX
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2000 Toyota Celica

Joined: Jul 2004
Posts: 161
Baldwin Park, CA
Yes the ECU is expensive if you buy it from the dealer 700-800 dollars. I had to replace mine along with all my injectors since their is a TSB for 2000 Celica GTS for ECU and injectors. You can find the parts way cheaper at www.car-part.com The codes I had were P0171 and P0300. After replacing my ECU and injectors I no longer get the code P0300 but I do get P0171(Running Lean). I think its my sensors as well. Dealer wont give me an answer since I have a CAI and Air/Fuel Gauge.


If Life Starts To Pass You By...Downshift!!!
Re: Replacing Oxygen Sensor [Re: XPunkJoeX] #370723 Jan 26, 5:32pm Jan 26, 5:32pm
Joined: Dec 2004
Posts: 40
Southern California
Beau OP
Member
2000 Toyota Celica
Beau OP
Member
2000 Toyota Celica

Joined: Dec 2004
Posts: 40
Southern California
i got the reapir done and the CEL hasnt come back on, so it was definatly the O2 sensor. it was an easy repair once i found where the end connected in.

Re: Replacing Oxygen Sensor [Re: Beau] #449899 Mar 13, 5:32pm Mar 13, 5:32pm
Joined: Mar 2014
Posts: 1
CA
M
msy
New Member
msy
M
New Member

Joined: Mar 2014
Posts: 1
CA
hi

I need help. i have toyota celica 2000. I need to change bank 1 sensor 1 ( O2 sensor) but is it upstream or down stream one? Dose any one know?

Re: Replacing Oxygen Sensor [Re: msy] #449945 Apr 19, 3:35pm Apr 19, 3:35pm
Joined: Nov 2013
Posts: 8
Canada
SteveCan
New Member
2004 Toyota Celica GTS Tsunami
SteveCan
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2004 Toyota Celica GTS Tsunami

Joined: Nov 2013
Posts: 8
Canada
Upstream is forward of the CAT - Catalytic Converter (closet to the Exhaust Manifold) and downstream is after the CAT, closes to the CATBACK Exhaust. Note: the O2 Sensors are different, so ensure you pickup the upstream one. They have different part #'s. Note 2 - From my personal experience only, so other's may have experienced different - Ensure you pick up a OEM one and not after market. I replaced mine with after market and it lasted a few months.


1970 Celica GT - 275,000 miles - retired
1980 Celica GT - 350,000 miles - retired
2003 Celica GT - 171,000 km's - Being Sold
2004 Celica GTS Tsunami - 151,000 km's - driving
Re: Replacing Oxygen Sensor [Re: Beau] #450282 Oct 15, 6:12pm Oct 15, 6:12pm
Joined: Jul 2014
Posts: 4
Winnipeg Manitoba Canada
2001 Red Toyota Celica GT
tenten
New Member
2001 Toyota Celica GT
tenten
2001 Red Toyota Celica GT
New Member
2001 Toyota Celica GT

Joined: Jul 2014
Posts: 4
Winnipeg Manitoba Canada
Any DIY video or instructions to change Oxygen sensor upstream and downstream?

Re: Replacing Oxygen Sensor [Re: tenten] #450283 Oct 15, 6:15pm Oct 15, 6:15pm
Joined: May 2002
Posts: 470
California
CaffeineKid
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2008 Scion tC
CaffeineKid
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California

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