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#297455 Oct 11, 8:50am
Joined: Jul 2004
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2000 Toyota Celica GT
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2000 Toyota Celica GT
Joined: Jul 2004
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I got this code on my CEL. Sometimes it goes off by itself but i think the sensor is finally dead. It says its the cat sensor. Can anyone give me an idea as to how uch it is and whether or not I can replace it myself?


"Have you ever noticed that anybody going slower than you is an idiot, and anyone going faster than you is a maniac?"
George Carlin

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I checked and: It could be an exhaust system leak, a malfunctioning 02 sensor, bad wiring to an 02 sensor, or a bad catalytic converter.

Get under your car and check for possible exhaust leaks.
Check your wires under your car that run between the underbody and the O2 sensors.
Just like we spray the MAF with Disc Brake Cleaner, Carburetor/Throttle Body Cleaner (even though we don't have a carburetor) etc, you can try spraying the O2 sensors(but make sure you won't harm the sensors with the spray chemical), but first consider:
How many miles do you have on your '00 Celica? And is that the original stock CAT on the car (assuming of course that you are the original owner of the car and not another person who used an aftermarket and put the stock back on and then sold it!). Hey, I just think of as many possibilities as I can 'cause I can't help it.

Last edited by QTRMLR_1; Oct 11, 2004 12:16pm.

I get my kicks on EC.

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2000 Toyota Celica GT
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2000 Toyota Celica GT
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Yea my celly has 130k on it and is the original so it would make sense that something would start to fail me. I'll check under my car and see what's what.


"Have you ever noticed that anybody going slower than you is an idiot, and anyone going faster than you is a maniac?"
George Carlin

Joined: Mar 2004
Posts: 1
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2000 Toyota Celica
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2000 Toyota Celica
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Hey! My car is coming up with the same code. Can you tell me how hard it's going to be to replace the sensor? [email]Roxygirl818@hotmail.com.[/email] Thanks!

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hi bluecelicagirl00, it could be your cat gone bad(catalytic converter). How many miles do you have on your car?


I get my kicks on EC.

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ECelica Admin
2001 Toyota Celica GT
ECelica Admin
2001 Toyota Celica GT
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Toyota warranties the emissions system to 8 years or 80,000 miles...

bring it in for inspection when you get your next oil change done AT a TOYOTA service center thumbsup


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I had the same code come up on my celica, I needed a new o2 sensor and a new catalytic converter... an o2 sensor in $100. and can be replaced yourself

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2000 Toyota Celica GT
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yea i have 133k miles


"Have you ever noticed that anybody going slower than you is an idiot, and anyone going faster than you is a maniac?"
George Carlin

Joined: Dec 2004
Posts: 9
New Member
2003 Toyota Celica GT
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ghjethegh
1953384721-phil2.jpg

lambogt #297464 Dec 14, 6:47pm
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^^ now that's post whoring to the extreme. don't start, and you won't have to stop. Just say NO!


I get my kicks on EC.

Joined: Sep 2004
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2002 Toyota Celica
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2002 Toyota Celica
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hes over 80k , thier not going to warranty it
and if it is a catalytic converter theres no way hes gonna get out of there for $100.

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