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Hello, I have a 2017 Subaru wrx that has a stage 1 93 MAP tune, I recently seen my dam drop to .812 now it is at .625, I have fine knock learn of -.35, .35, .70, -2.81 and now have got knock feedback of -4.11 and -8.71, should I be worried? Should I try the stage 1 93 Cobb tune? Should I put it back to stock or just wait it out? I have refilled with a different tank of gas just yesterday and still no changes, what should I do?
 

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Hey I am having the exact same problem and was wondering if you were able to fix this problem. Thanks!
 
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