SATURN STATION WAGON ENGINE SYMPTOM

I Have Oil In The Water Reservoir The Car Does Not Over Heat Or Smoke And Has Plenty Of Power

My Car Just Shuts Off When I Put The Fan On For The Heat Or Defrost. I Can Be In Idle Or Driving. 2000 Saturn Lw1. What Could It Be?

My Car Is Not Gettin Any Fire From The Plugs

When Car Is Warmed Up.I Put The Car In Park. It Will Idle For 10mins. Idle Jumps To 1500 To 2000rpms. I Shut The Car Off And It Idles At...