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i have a mazda 3 s sport 2.5L

i was driving stopped turned my car off, got back in drown a little ways and noticed that my check engine light was on, drove it to an autozone and they told me that these were the codes. i just got my car back from mazda not too long ago and they did an alignment as well as an oil change. i noted to them that it sounded oddly louder than it normally did and for some reason my engine motor mount needed to be replaced so i did that and my serpentine belt as well. im not sure what i should do someone please give me advice! im going to replace the Mass air flow sensor, i just cleaned it not too long ago in hopes to save it when my idle was acting funny.
 

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2012 Mazda 3 GX MT5
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What year is your 2.5L ?

Idle was acting funny because MAF probably needs to be replaced. MAF sensors should not be cleaned with any fluid cleaner and you should not touch it. Taking it off and blowing air onto it to remove debris is ok.

I would be more concerned with anti lock brakes and DTC codes
C0044, U0428
 
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