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O2 codes.....


 
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Legend
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Joined: 21 Aug 2010
Location: Alvarado, Texas

PostPosted: Sat Aug 21, 2010 7:55 pm    Post subject: O2 codes..... Reply with quote

Ok.. My light came on a few miles back, I got the codes off the dash and it gave me "31, 32, 51, 52...All O2 sensors... At the same time??? Took it to Autozone, two different ones and both came up with ONLY an AAT code. Sooooooooo, What Gives??? Any advise?? I didnt want to have to pay around $200 bucks and there still be a problem.....I dont really want to spend $200 anyhow!
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Sun Aug 22, 2010 9:07 am    Post subject: Reply with quote

Have knowledge, need info! What vehicle are these codes being pulled from? Year, model and engine size would help!


31 Bad evaporator purge solenoid circuit or driver

32 (1990-92) computer didn't see change in air/'fuel ratio when EGR activated - check valve, vacuum lines, and EGR electrical

51 Oxygen sensor stuck at lean position (this may be tripped by a bad MAP sensor system causing a rich condition. If you get hot rough idle and stalling, especially on deceleration, accompanied by flooded engine and difficulty restarting, that can be a bad MAP sensor causing the O2 sensor to try to compensate. If you get poor cold driveability, stumbling and bucking, and acceptable warm driving with poor gas mileage (a drop of 10 mpg or more), that is usually the O2 sensor.
OR
51 Internal logic module fault ('84 turbo only).

52 Oxygen sensor stuck at rich position
OR
52 Internal logic module fault ('84 turbo only)

http://jeephorizons.com/phpbb/viewtopic.php?t=2719

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Legend
Member


Joined: 21 Aug 2010
Location: Alvarado, Texas

PostPosted: Sun Aug 22, 2010 11:03 am    Post subject: These Forums are Awesome! Reply with quote

Thanks for the reply but after a few hours of going over the "archives" I found a Forum that explained what I needed .
FYI I have a 05 Sport all stock Daily driver.
Its my 4th Jeep. My favorite was a 82 CJ7( sold it to pay for the wedding) My 91 was Good ( wife took it in the devorce lol), My 95 was ok( sold it when my daughter was born) So I hope I get to keep this one! well.. at least till my daughter gets her liscence! LOL!
Awesome site, Great forums!
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Sun Aug 22, 2010 4:54 pm    Post subject: Re: These Forums are Awesome! Reply with quote

Legend wrote:
Thanks for the reply but after a few hours of going over the "archives" I found a Forum that explained what I needed .
FYI I have a 05 Sport all stock Daily driver.
Its my 4th Jeep. My favorite was a 82 CJ7( sold it to pay for the wedding) My 91 was Good ( wife took it in the devorce lol), My 95 was ok( sold it when my daughter was born) So I hope I get to keep this one! well.. at least till my daughter gets her liscence! LOL!
Awesome site, Great forums!


I'm glad that you figured it out. 05 Sport is a bit vague.
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Legend
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Joined: 21 Aug 2010
Location: Alvarado, Texas

PostPosted: Wed Dec 08, 2010 10:13 pm    Post subject: Orangeamc13 Thanks for Trying to help Reply with quote

Found I need a New PCM.
Thinking about getting one from Solo Auto Electronics.... Its supposed to be "Plug and Play" Have you heard any news on the rebuilt PCMs? It will save me around $500.00 then going to the dealership.....Again! ( I went after replacing all four O2 sensors and still having the codes come up (P0031, P0037, P0051, P0057) They said it was the PCM and it had to be replaced.....Funny thing is ,The Jeep runs Great but I have to get it inspected
Thanks Again
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