There is no fast idle when i turn on the a/c, the idle stays the same whether the a/c is on or off. Does anyone know what is causing the and how i can fix it?

Does the car die when you turn the A/C on??..

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93 NX2K
some stuff and a DET
"project street mod?"
1988 BMW M3 w/ a few toys
http://albums.photopoint.com/j/View?u=1755025&a=13524427&p=51981856&Sequence=1