1997 Mazda 323

Engine Performance problem
1997 Mazda 323 4 cyl Two Wheel Drive Automatic 110000 miles

I own a mazda 323 1.6L DOHC Automatic.
The problem is if I put the gear to drive with ac on the engine would stop. I also noticed that the rpm will goes below 8000 rpm about 4thousand to 5 thousand when I turn on the AC and goes back again to 8000. Same with when I go to drive
November 29, 2009.

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