The mass air flow sensor (MAF) tells the PC how much air is flowing into the engine; we read that data in grams. So a little air means no foot on the throttle and lots of air means foot to the floor.

The problem is the Mass Air Flow sensor that usually gets covered in all kinds of dirt and stuff and malfunctions. Now, the S85 engine has 2 two of them, one for each bank so replacing them might ...