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Discussion Starter · #1 ·
So I keep getting a change fuel filter on the DIC. I’m unsure of what’s going on it’s a 2008 deleted with a fassfuel, running on a single tune sometimes it will go into reduced engine power due to this filter had 5000k miles replaced earlier today with a new one but same issue anything??? I’m thinking bad fuel or maybe fuel lines caved??
 

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Welcome to DieselPlace


Are you using OEM or aftermarket filters?
 

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Discussion Starter · #3 ·
After market on the stock head and fass filters with the fass pump
 

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After market on the stock head and fass filters with the fass pump
Aftermarket filters on the head have been known to cause issues with the Duramax.
Try installing an OEM Filter on the head and see if things improve.
 
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