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Whenever my check engine light comes on because of my apps cutting out, I check and clear the codes I always find an Overboost code as well. Does the Apps have anything to do with that?
 

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Sounds like you need a boost fooler. Sounds like its defueling real hard to keep the boost in check. I had a similar prob when I was in the process if switching boxes I left my j-hook on and kept loosin power. Thought it was the APPS for a hot minute but then remembered when I saw the overboost fault.
 

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iwannagofast said:
Whenever my check engine light comes on because of my apps cutting out, I check and clear the codes I always find an Overboost code as well. Does the Apps have anything to do with that?
No... The only way to get a over boost code is to have a boost elbow without a boost fooler. Or your wastegate is stuck close.

APPS is your throttle... And MAP and Wastegate are you boost codes...
 
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