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Discussion Starter #1
I have a 1999 Saab 9-3 SE BCB Stage 2 and when I first got the tune in July of 2019 I ran just about 15 psi which is 5 more than the stock 10 but several months later it dropped back down to 10 psi and now just today it is maxing out at 5-6 psi and a significant power decrease. Is my turbo wearing out? If anyone could help that would be great!
 

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Unlikely to be the turbo. More likely an intake leak, engine management issue (MAP, ECT, IAT, etc.), or an ignition problem.
 
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