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Old 12-25-2008, 08:36 AM   #1
JoeBryan
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trouble codes

I am reading two trouble codes' p2239 and p2252. I cannot find the list of code descriptions anywhere. Does anybody have them or can you tell me what these codes mean?
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Old 12-25-2008, 10:34 AM   #2
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Re: trouble codes

Both are related to the first O2 Sensor problems (the one right before the Cat) problems. Should be covered by factory warranty.

Last edited by PCH; 12-25-2008 at 10:39 AM..
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Old 12-25-2008, 01:09 PM   #3
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Re: trouble codes

I already changed out that o2 sensor and the engine is running great. I used an aftermarket 4 wire sensor and spliced into the existing wire. Do you think that would make a difference? And where did you get your code info?
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Old 12-25-2008, 01:16 PM   #4
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Re: trouble codes

Just googled it. Might have more info at work, but off today The codes have something to do with the ground circuit for that O2 Sensor if i remember. Why did you have to replace the sensor to begin with? And are you 100% sure you got the wires connected properly?

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Old 12-25-2008, 03:20 PM   #5
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Re: trouble codes

Sorry to be a bother on your day off, but I must have damaged it when I put on the strup header, which caused a throttle surge. The replacement took care of the surge, but the lights still came on. I wired the new sensors according to the manufacturing chart, but that doesn't mean it is correct. The two wires to the heater should be interchangable, and the other two wires must be correct because the engine surge went away. Maybe it is not compatible or reading too slow. Any help would be appreciative and enjoy your Christmas. Thanks
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Old 12-25-2008, 03:44 PM   #6
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Re: trouble codes

Yeah, i remember that thread now.
First of all try to check if you got the right replacement sensor. Just because it has 4 wires and bolts in doesn't mean that it will work properly. Is it possible that your car uses broadband O2 sensor and you somehow got the regular universal one installed? Just thinking, gotta check the basics first.
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Old 12-26-2008, 06:43 PM   #7
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Re: trouble codes

Thanks for that bit of info. I didn't know there were different types. Maybe I will hit up the dealership for the right one and see what happens. Are you sure these codes refer to the 1st stage bank 1 sensor? I hate to spend $127 on an educated guess.
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Old 12-27-2008, 01:20 AM   #8
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Re: trouble codes

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Old 12-27-2008, 08:44 AM   #9
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Re: trouble codes

Thanks PCH, but these are '05 tc codes for the restraint system. What else you got floating around the shop? Anything for '08 xb? Possibly in the engine trouble codes department? LOL
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Old 12-27-2008, 12:43 PM   #10
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Re: trouble codes

Sorry, wrong link. Here is the one with engine codes: http://tijil.org/Scion_Docs/05_tC_Sh...)/dtcc4000.pdf

I know they are for tC, but the numbers should not change, esp since its same engine.
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Old 12-27-2008, 08:15 PM   #11
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Re: trouble codes

Thanks PCH, these will be most helpful in the future.
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Old 12-29-2008, 01:05 PM   #12
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Re: trouble codes

OK, good luck! From what i understand you either got the wiring hooked-up wrong or you are using the wrong sensor for your car.
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Old 12-29-2008, 02:09 PM   #13
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Re: trouble codes

Well.....who am I to argue with one who memorizes engine codes? I will get a genuine replacement this time, as soon as I pay off xmas debts. Thanks again.
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Old 05-05-2009, 01:21 PM   #14
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Re: trouble codes

Any updates on this?
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Old 05-05-2009, 07:26 PM   #15
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Re: trouble codes

Yes PCH, I needed to save for a new A/F sensor. The best price was at scionpro @ $206. Expensive little bugger. I ordered it last week and should be arriving any day now. I will keep you posted. Thanks, Joe
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Old 05-06-2009, 08:08 AM   #16
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Re: trouble codes

Quote:
Originally Posted by JoeBryan View Post
Sorry to be a bother on your day off, but I must have damaged it when I put on the strup header, which caused a throttle surge. The replacement took care of the surge, but the lights still came on. I wired the new sensors according to the manufacturing chart, but that doesn't mean it is correct. The two wires to the heater should be interchangable, and the other two wires must be correct because the engine surge went away. Maybe it is not compatible or reading too slow. Any help would be appreciative and enjoy your Christmas. Thanks
There are some problems with this header ScionLife View topic - I have a question about the Strup Header !

I'm with PCH, updates?
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Old 05-06-2009, 06:11 PM   #17
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Re: trouble codes

Steve, I didn't install the header for hp gain as much as I did for show appearance. I also liked the idea that the engine would breathe a little better. I am in FL and we don't have emission inspections. The assembly lines up well and the finish has blued a little, and it seems very well made. If you are looking for more power, check out the weapon r intake manifold and short air intakes.
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Old 05-07-2009, 01:03 AM   #18
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Re: trouble codes

Quote:
Originally Posted by JoeBryan View Post
Sorry to be a bother on your day off, but I must have damaged it when I put on the strup header, which caused a throttle surge. The replacement took care of the surge, but the lights still came on. I wired the new sensors according to the manufacturing chart, but that doesn't mean it is correct. The two wires to the heater should be interchangable, and the other two wires must be correct because the engine surge went away. Maybe it is not compatible or reading too slow. Any help would be appreciative and enjoy your Christmas. Thanks
Why did you replace your a/f sensor? Which CEL eliminator did you install on the s-pipe 02 sensor when you installed the header? I used a 304 angled adapter I got from ebay for $30 and haven't had a CEL in about 5k miles after installing my header.
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Old 05-07-2009, 10:21 AM   #19
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Re: trouble codes

I replaced the sensor because I believe it cracked during installation. I am using a cel eliminator on the o2 sensor on the s pipe which works fine. I did a bench test on the a/f sensor and it is definitely bad. Reading 0volts hot and cold.
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Old 05-08-2009, 03:13 PM   #20
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Re: trouble codes

PROBLEM SOLVED. The new a/f sensor came in today. I installed it and the cel is off. Thanks for everybody's help. I am anxious to see my mileage now. I have been getting 24mpg in town and on the highway, weather I drove easy or hard. This should make a difference.
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