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Check engine light -> O2 sensors #243025 Aug 7, 2:34pm Aug 7, 2:34pm
Joined: Nov 2003
Posts: 453
Marietta, GA
Jtultra OP
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2000 Toyota Celica
Jtultra OP
Senior Member
2000 Toyota Celica

Joined: Nov 2003
Posts: 453
Marietta, GA
Check engine light -> O2 sensors
hey I'm getting a check engine light, the codes are P0135 and P0141. I know they are both the O2 sensors, but is there a way to fix this cheapely. O2 sensors are expensive especially for 2. I've the Spark plug Non-fouler trick but the O2 sensors are too long. I might try putting on a resister but I was wondering if anyone has this problem and if anyone else has any ideas on how to fix this problem. currently I'm burning gas out of the ass, so I have to constantly reset the ECU

Thanks guys


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243026 Aug 7, 7:56pm Aug 7, 7:56pm
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Buies Creek/Sanford, NC
2000 Black Toyota Celica
SCOTT03
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SCOTT03
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Buies Creek/Sanford, NC
is that the running rich CEL? I got a running rich CEL i believe it was PO172, but i thought it was an O2 sensor and took it into toyota to repair under warantee, comes back it was a bad MAFS and i supposable needed a new Air Filter. I paid $65 for the diagnosis, then turned around and cleaned my MAFS instead of buying a $171 one from toyota and the car is running great, i feel a defininate increase in power and a much smoother power curve. I had never cleaned my MAFS before, since i'm running a paper filter i didn't see a need to, but it was definitely dirty. I recommend cleaning your MAFS to see if the problem still exists in your O2 sensors.


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Re: Check engine light -> O2 sensors [Re: SCOTT03] #243027 Aug 8, 1:52pm Aug 8, 1:52pm
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Marietta, GA
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I had autozone run the code and its deffinately my O2 sensors


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243028 Aug 25, 7:33pm Aug 25, 7:33pm
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Marietta, GA
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well...I just baught new O2 sensors and its stll throwing the CEL w/ same codes. SOME ONE HELP EMISSIONS IS DUE!!!


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243029 Aug 25, 7:35pm Aug 25, 7:35pm
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Saint Louis, MO
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It could be that the connection to your O2 sensors are shot, it may not be the sensor itself.

Use a voltmeter/continuity meter to test the sensors, along with their connections.

I will find instructions in a minute...


Aqua Teen Hunger Force...number one in the hood, G
Re: Check engine light -> O2 sensors [Re: Jtultra] #243030 Aug 25, 7:38pm Aug 25, 7:38pm
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...

1870197950-sssssss.jpg

Aqua Teen Hunger Force...number one in the hood, G
Re: Check engine light -> O2 sensors [Re: slidr] #243031 Aug 25, 7:46pm Aug 25, 7:46pm
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thanks man, I'll try it tomorrow


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243032 Aug 25, 7:48pm Aug 25, 7:48pm
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what happens if resistance is specified?


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243033 Aug 25, 7:52pm Aug 25, 7:52pm
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Saint Louis, MO
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Originally Posted by Jtultra
what happens if resistance is specified?
Ha, it just says to replace the sensor. spineyes

Not too sure, but let me look into it a little more. I will most likely post again tomorrow (about to leave work), but let me know for sure what your test results are.


Aqua Teen Hunger Force...number one in the hood, G
Re: Check engine light -> O2 sensors [Re: slidr] #243034 Aug 26, 6:35pm Aug 26, 6:35pm
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I talk to some guy that had this problem and he said he had bad wiring in his ECU or something. I'm taking it to toyota tomorrow to have it scanned I'll update when I get back


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243035 Aug 26, 6:39pm Aug 26, 6:39pm
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925 Nor Cal
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GL buddy! thumbsup

Re: Check engine light -> O2 sensors [Re: RookieGTS] #243036 Aug 26, 7:30pm Aug 26, 7:30pm
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Marietta, GA
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thanks dude, I'll need it


The 2ZZ god
Re: Check engine light -> O2 sensors [Re: Jtultra] #243037 Aug 26, 8:04pm Aug 26, 8:04pm
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Saint Louis, MO
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Originally Posted by Jtultra
thanks dude, I'll need it
Yeah, you will.

You could look up the ECU terminals in the Service Manual (in the gallery section of this site), and find out which terminals the sensors pertain to. Would save you some moolah.


But anyways, good luck. If they want you to buy a new ECU, tell them to get fucked.

One appears on eBay every now and then.


Aqua Teen Hunger Force...number one in the hood, G
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