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Discussion Starter #1
I have a buddy with a Duramax. He said that they have a problem with the Mass Air Flow sensors getting messed up from the oil in the cotton filters.

Anybody know if this is an issue with the 6.4's?
 

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PSN Mega Miler
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:whs:

With cotton or other oiled filters its the oil coming off the filter thats the issue. A properly oiled filter isnt going to give problems but if you over oil it when cleaning it then it can coat the maf sensor wires causing problems.
 
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