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Holding boost

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Old Mar 3, 2024 | 03:14 PM
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klenker's Avatar
klenker
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Holding boost

15 6.7 deleted and tuned
when I first start the truck and drive let’s say 65mph, the boost holds from 9-11.
it does this for about 10 minutes of driving then let’s go of the boost and when it does this it feels as if it shifted again and pulls hard.

my tuner has no clue.

even if the engine is still warm.
I shut it off, go in the store, come out and take off and it does it every time.

any ideas????
 
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