Okay I finally found a diconnected vacume hose. and the A/C is finally blowing from the center vents. The problem is now when the car is in neutral or parking the center vents blow strong, as soon as I put it in gear and rev the engine the center vents stop blowing and if I put it in neutral or parking and rev it the center vents will start to blow strong again. Anyone have any idea why this is happening?
Thanks

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94 E500 Sport
SOLD:
2002 BMW M3 Coupe 6 Speed.
SOLD:
92 500E Black Pearl, Black.
18" 2 Piece AMG
ASR Defeat
Performance Chip
Crossed Drilled Rotors.