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Hey guys I'm in need of some help. My fuel pump crapped out on me so I replaced it and I also replaced the camshaft position sensor now ever since my car hasn't been boosting.. the turbo spools up and sounds normal but no boost what so ever.. normal vacuum pressure but no boost.. no vacuum leaks no loose hoses no codes just p0864 which is the tcm communication circuit range/performance and operating temp too low
 

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Does it spool at first like 1st gear then none at all I’m having similar issues then after it quits it’ll only spool again after restarting engine but still only in first gear or first major pull then stops again still whistles just no boost
 
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