Where did you manage to get a genuine Bosch MAF in the first place?!
The cheap copies are crap. I disconnected mine this morning incidentally, aside from the light coming on with P0100 and P0110 to tell me it was disconnected, the car drove exactly the same as with it connected. ie. Juddering when accelerating from a cold start and hesitation for 1-2 seconds when changing gear. So i'm thinking the replacement I got is probably effectively dead but looks like the circuits are showing as active when it's connected or something.
