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Discussion Starter · #1 ·
hey guys i have a lmm duramax i have recently straight piped, i drove for 2500 miles without a problem and then all of a sudden it started going in limp mode telling me to change fuel filter and i did that and i’ve tried a few other things and it is still doing it just wondering if anyone has experienced this? thank!
 

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Need more information. How many miles on the truck, what else has been done to it and which limp mode? Trans or eng reduced power message?
 
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