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Hey, I know it came up Like a thousand Times but Ive got a P0091 on my Mazda 6 GG MPS. I allready checked ground on the hpfp and she gets activated and Sound normal in my opinion. She does around 30 Bars +-2 Bars but still is lean af Even in Idle. Got 1.1-1.35 afr with Pops and bangs...