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Message: [QUOTE="Bigsexy, post: 421956, member: 4968"] My truck is acting weird, it will build boost like crazy thru 1st and 2nd gear pushing boost the whole time. Once it gets into 3rd it almost feels like it defuels and drops my boost from about 22 to around 12. Then it will shift into overdrive and build boost and run good. Now it only does this when I hammer down the pedal. If I drive it normal and runs fine. I have a boost fooler and haven't had any defueling codes or any check engine light for that matter. I had an issue building over 15lbs of boost but I fixed that once I found my filter was completly clogged. We had the motus hooked up to it during that and everything looked good. What do you all think it might be? [/QUOTE]

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