Check Engine P101 P171 P174

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daprofet

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Mar 13, 2014
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Hello,

I am getting these codes so I looked them up and saw that I could clean my Mass Ais Sensor with the spray from AutoZone. I took it off, sprayed it down, waited for it to dry and reinstalled it. My engine light went off for three days and came back on. I went back to AutoZone and got the same three codes. I performed another cleaning and the light eventually went back off after one full day of driving and it has stayed off for eight days. Today it came back on, there is also a big tempurature change here. It has been averaging around 55-60 for the past week. Today it is 25 degrees.

Any ideas on what I need to do? I was told that I could just clean my MAS instead of replacing it. My truck is a 2004 that I bought off of a lease in 2006.:whymewhyme::whymewhyme:
 
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