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Code p0138 refers to heated oxygen sensor (HO2S) 2 bank 1---high voltage===causes --wiring short to positive--HO2S---ECM
replace the HO2S unit using the correct tools.
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forums.anandtech.com > Social > The Garage AnandTech
Dec 19, 2011 - 19 posts - 10 authors
PO126 coolant temp insufficient for stable operation. ... After goggling around abit it seems this is a common problem on Masda 3's and a new thermostat is the fix. ...Damn on most cars a thermo is $4-10, but evidently Mazda makes you ... While astuck open thermostat won't hurt the engine, it will certainly ...
Jul 5, 2012 - Uploaded by SuperCarfix
Mazda 3 MIL on stored code p0126 Sorry about the shaking of the camcorder. ... Thermostat is stuck open. ... You can also check the Live Data on the scanner wile the engine is running to see theTemp of the ... 3:12. tips and tricks on saving gas mazda 3 2006- Duration: 4:30. by ghostlyrich 50,745 views.
Don't know the code error but you can take it to your nearest parts store and they should be able to hook it up to there code scanner. They normally will do it for free. I would call them first to be sure they offer this test. Auto Zone will usually do it as well as Napa. I hope this helps.
You can get the radio code by calling any mazda dealer, You will need to give the vin # of the car so they can look up the code. They will beable to give it to you for free.
2187 is a lean condition. It means the fuel system is sucking air from somewhere. If it's a 4 cylinder, it has a bad PCV hose which is located beneath the intake. This is a three-hour job.
I have the wiring from two front ends of a Mazda 3 that are different. I'm looking for the diagram to match the good car. There are 3 connections. What info do you need?
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