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> Code P0130 adn p0133, after installing header and downpipe
post Jan 8, 2016 - 1:19 PM
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msk59



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Hello: After installing the header and getting it all set, I am getting these two codes. I reset them once and these two come back again. I will check for leaks etc and the reading on the first O2 sensor (7aFE engine stock, 1996 ST HB). What else I need to look for?

How do I check for sensor circuit heater?

thanks in advance.

This post has been edited by msk59: Jan 8, 2016 - 1:25 PM
 
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post Mar 5, 2016 - 10:51 AM
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Bitter

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Most time heater circuit codes are just bad heater circuits, it's a little heating coil in the sensor and it does burn out with age. The fastest way to check them is with a noid light. http://www.amazon.com/Lisle-27800-Universa...ords=noid+light
Connect that to the heater circuit wires (the two blacks on the O2 sensor are heater circuit), it should flicker and flash when you start the car, indicating the circuit is working. You can also hold the O2 sensor in your hand out of the exhaust pipe and start the car and it should get rather hot in your hand.


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Posts in this topic
- msk59   Code P0130 adn p0133   Jan 8, 2016 - 1:19 PM
- - Smaay   did you put the O2 sensors back in? did you swap ...   Jan 8, 2016 - 2:39 PM
|- - msk59   QUOTE (Smaay @ Jan 8, 2016 - 1:39 PM...   Jan 9, 2016 - 10:35 AM
- - igpx12   Might just be a faulty sensor or it might have a b...   Jan 9, 2016 - 12:59 AM
- - igpx12   Oh, well if you have the system open ended like th...   Jan 9, 2016 - 3:26 PM
- - msk59   Not sure I understand what you are saying. The dow...   Jan 9, 2016 - 4:35 PM
- - Jmk91   What he was meaning was that if you had an open ex...   Jan 9, 2016 - 5:22 PM
- - msk59   Thank You. I pulled the header out and notice the ...   Jan 10, 2016 - 7:26 PM
- - Jmk91   The junk gaskets they give you always leak. I had ...   Jan 10, 2016 - 10:43 PM
- - msk59   You are so right about the junk gasket and this wh...   Jan 10, 2016 - 11:54 PM
- - msk59   Hello Guys: I am facing a new issue. After I disco...   Jan 14, 2016 - 8:53 AM
- - cheela   just buy the material and make your own. do you st...   Jan 14, 2016 - 9:34 AM
- - igpx12   Here is what you want, it will fit with that style...   Jan 14, 2016 - 10:01 AM
- - msk59   Cheela: Thanks that was my second option. Igpx12...   Jan 14, 2016 - 10:35 AM
- - msk59   OK after several gaskets I finally had to replace ...   Mar 4, 2016 - 3:53 PM
|- - igpx12   Replacing the O2 would be your best bet, clearing ...   Mar 4, 2016 - 8:24 PM
- - msk59   thanks I plan on replacing the O2 sensor after i c...   Mar 5, 2016 - 10:36 AM
- - Bitter   Most time heater circuit codes are just bad heater...   Mar 5, 2016 - 10:51 AM
- - msk59   OK I will try that and see what happens. I found p...   Mar 5, 2016 - 11:55 AM
- - Bitter   I prefer the 'direct fit' so they just plu...   Mar 5, 2016 - 12:15 PM
- - msk59   Thanks, I think it is direct fit as I checked the ...   Mar 5, 2016 - 12:51 PM
|- - igpx12   QUOTE (msk59 @ Mar 5, 2016 - 12:51 P...   Mar 6, 2016 - 11:25 AM
- - msk59   Update: Installed the new O2 Sensor last night. dr...   Mar 15, 2016 - 7:42 AM
- - msk59   Ok the light is back ON after installing the new O...   Mar 16, 2016 - 8:59 AM
- - Bitter   Same codes?   Mar 17, 2016 - 8:13 PM
- - msk59   Sorry Bitter for the delayed response. I was TDY. ...   Mar 21, 2016 - 7:09 AM


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