Mercury Mystique Engine Revs Up

I Have A Vibrating Problem On My Car When Idling. I Noticed That It Only Idles At About 550 Rpm Which I Think Is A Little Low. When I Rev...

When Ever I Come To A Stop My Car Feels Like It Stalls, But It Doesn't, When I Go To Accelerate The Car Rev's Up, Then Goes With A Sudden...

1999 Merc Mystique, 123,000 Miles. I Have To Continually Flip The Key On And Off To Get The Car Cranked. Sometimes It Will Run Fine For...