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Discussion Starter #1
I have an 05 lly and I was going down the highway and I was in the process of passing a slower car when my truck started to build boost it cut out like I let out of the throttle and now it will not build boost at all when I hit the throttle its like the truck goes in to a limp mode there is no check engine light and I have no clue what to look for any help will amazing also there is no programer the truck is stock
 

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Is it blowing an unusual amount of black smoke? Maybe look for an air leak somewhere on the intercooler boots.
 

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Discussion Starter #3
Yeah it started blowing alot today I was wondering why it was doing that so it sounds like a leak in the intercooler boots
 

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That would be one of the first things I would look at. OkOk guys...I have to say it.....make sure fuel filter is good also. A fresh filter actually DOES do wonders...especially when no aftermarket fuel system is used. (meaning no extra filtration before the factory filter)
 
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