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-   -   Help fixing POO31&37 (http://www.wrxtuners.com/forums/f72/help-fixing-poo31-37-a-43402/)

Nathan21 01-04-2014 12:44 PM

Help fixing POO31&37
 
Both code are popping up after I warmed my car up this morning, How to fix these code? What could have caused this? Should I just go get protuned?

boo-key bear 01-04-2014 01:08 PM

check all your fuses and the wiring on and going to your o2 sensors.

Brockton 01-04-2014 01:38 PM

Look for the fuse labeled ALT + B

boo-key bear 01-04-2014 01:40 PM

If there's no fuses blown or damaged wiring, I would unplug your sensors, turn key on, and check pins on harness with a multimeter. One of the wires should be a heater wire and have voltage. If you have correct voltage its probably your sensor. If you don't then its a electrical problem.

psinuse 01-04-2014 03:05 PM

POO...don't you pick that up with a pooper scooper?

Nathan21 01-04-2014 04:43 PM

[quote=boo-key bear;420425]If there's no fuses blown or damaged wiring, I would unplug your sensors, turn key on, and check pins on harness with a multimeter. One of the wires should be a heater wire and have voltage. If you have correct voltage its probably your sensor. If you don't then its a electrical problem.[/quote]

No blown fuses, no damaged wires, do you know what the volts r suppose to be?

boo-key bear 01-04-2014 04:50 PM

[quote=Nathan21;420537]No blown fuses, no damaged wires, do you know what the volts r suppose to be?[/quote]

That, I don't. Ill take a look and see if I can find out when I get a chance. most likely if it was something electrical you will not be getting any voltage at all.

Nathan21 01-04-2014 04:52 PM

[quote=boo-key bear;420545]That, I don't. Ill take a look and see if I can find out when I get a chance. most likely if it was something electrical you will not be getting any voltage at all.[/quote]

I know when I check them on like civics it will show voltage just a different then what is should be but still shows something

boo-key bear 01-04-2014 05:33 PM

I found the diagnostic procedure for those 2 codes in my service manual. Now I just gotta figure out how to get it from my computer to here. Im computer challenged.

pzr2874 01-04-2014 06:36 PM

So the rear o2 wiring isn't hitting up against the driveshaft?

Nathan21 01-07-2014 10:51 AM

Sorry on the late replay Paul, but no it isn't, I finally got my multimete last night back and did all my testing, it is the sensor so I ordered my downstream sensor now I just have to find the upstream sensor

boo-key bear 01-07-2014 12:53 PM

Did you get the troubleshooting section from the service manual that I emailed you?

Nathan21 01-07-2014 12:55 PM

Yep! gotta thank you a lot on that Adair!
Really made my life a lot more easy!!!

Nathan21 01-14-2014 11:10 AM

So guys, I changed all the sensors, checked all the wiring and still have the codes.
Talked to tuner and they said they are for sure it is a wiring issue.
Will be bringing my car into a local shop and have them try and fix it for me, I have given up hope doing it myself

turmic 01-14-2014 12:34 PM

Did you ever think the Fiat dealership screwed it up when they changed the engine?


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