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231 Posts
Discussion Starter · #1 ·
My truck is puffing out alot of thick big flakes of soot randomly at idle and also puts some puffs out if at any other constant RPM randomly. What could be causing this? Im about to go on a long trip and need to know if it is serious or not.
 

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Go for Broke
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6,694 Posts
it just build up in the exhaust system....it's normal they all do it :thumbsup
 

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Go for Broke
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6,694 Posts
just ask anyone with a white truck and stacks the mess it makes :lol3:
 

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3,941 Posts
Normal. On a modded truck with heavy fueling and stacks, they look like glowing embers at night.
 
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