08 lmm stumbles at cruise - Diesel Bombers

Chevy/GMC Duramax 07.5 -10 LMM Discussion of Chevy and GMC Trucks with LMM Duramax Turbo Diesel Engines

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Old 05-27-2013, 09:07 PM
cuthbert97's Avatar
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Join Date: Mar 2010
Location: Grande Prairie AB
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Default 08 lmm stumbles at cruise

my 08 duramax recently started to stumble periodically while cruising at highway speeds, usually while the engine isnt working very hard. is sorta hiccups and i hear a quick turbo fart with a brief loss off a power and returns back to normal instantly.

i havent had any luck trying to search this problem. I changed the fuel filter, there are no codes or engine light on. and it never has any issues while your foot is in er. just on cruise control or cruising.
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