are you running the AC or any of the heat control to the right of off? if you are it might be the AC compressor kicking on and off. this would mean that you are low on R-134A. Walmart has testing kits and recharge cans for about $5.
- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family
