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Looking for help my 2011 mazda 6 2.2 starts fine but runs like it is misfiring and the stalls after about 10 seconds. Possibly the pcv ?
 

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Welcome to the forum!

This could be a number of things. Are you getting any codes/check engine lights?

Check your intake accordion to make sure there aren't any holes/cracks, clean your MAF (mass airflow sensor), check your throttle body, make sure your vacuum tubes are all connected and not broken.
 

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There are many possible reasons like a vacuum leak, a faulty purge valve, a bad O2 sensor, etc. So if it is better to check first if there's any code.
 
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