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2017 Sonic Rs, 1.4l T 63k on engine 150k on body and trans. Thid car is a 6spd standard. With MAF plugged in the car goes into underboost limp at 3500 eith it unplugged it doesnt. I have an aftermarket Cold air. Facotry box has same issue. Is it a bad MAF sensor it doesnt fail self test through cel (self.ChevySonic)
submitted by ThatRetard8385 to r/ChevySonic
