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2007 GMC Yukon Question: i have a 2007 yukon slt with the code P0175 bank 2,what could the problem be.

 

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ana2005, Klamath Falls, OR, March 10, 2013, 10:54
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im guessing its the oxygen sensor but would like to be 100 percent sure

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    Tech-Savvy March 22, 2013, 07:48
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    I had this same problem on my 2007 Escalade, GM vehicle Mass air flow sensors can cause this when dirty. Mine has a K&N air filter on it that gets oiled and this oil can sometimes get on the MAF sensor and cause this or it could be dirt. I bought a can of MAF sensor cleaner from auto parts store, cleaned mine and have not seen the code in over a year now.

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