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  1. Problem Diagnosis
    Hi everyone, No, not clickbait or a typo. My AP has recorded a max FBK of -31.80 recently on my 2010 WRX with ~112k. Saw -30.80 twice a couple weeks ago. All under gentle city driving nowhere near WOT and shifting at or below 3000 RPM. Pretty sure this is somehow related, but this started...
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