[lil.red.alero]

hey guys im having an issue that just came up. yesterday my car was basicly idleing at 2k rpms when in gear. this was for about 5 minutes. then i restarted the car and it stopped. a few hours later i drove a few miles and i was in a parkinglot it did it again for a few minutes then stopped. now today everything was fine drove about ten miles then looking for a parking spot it died. i started it up just fine. kept lookin for a spot. died again. it happened 6 times only when im off the gas. any ideas? yesterday i thought vacuum leak but now im not sure. and im really frustrated after driving a dying plow truck for 10 hours now my cars dying too fml. any help would be great thanks