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[helodrv]

I have a 1995 N/A 5 speed 850. Just replaced the plugs and O2 sensor. But since first getting this car nearly two years ago, it has always idled very roughly when the outside air temp dips below 40 degrees F. Any suggestions or ideas? Once the car is warmed up, she runs much more smoothly but still not sewing-machine steady at idle.

[StylinMotors]

Could be a vacuum leak. Check all your vacuum lines.