I'm getting the same thing but my check engine light is on. p0170 is the reading. I know it could be the MAS and stuff...I'm just trying to make sense of the live reading i'm getting to make sure that it is.

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1997 Silver AMG C36
OEM Advantegarde Grille
OEM Clear Corners
W210 Blinking mirrors
Eibach/Bilstein Combo
Zender Rear Lip Spoiler