I have a 2002 Mercury Sable. My brother had been driving it for a few days and when I went to drive it today I noticed its definitely not driving right. It seems to be hesitating when I'm accelerating as well as a slight loss of power overall. I asked my brother who of course says he didnt notice anything. I checked the oil, which I recently changed less than a month ago, and the oil level was extremely high (I definitely added the correct amount of oil when I changed it). I know enough about cars to do a lot of work and troubleshooting on my own, but I'm not that good. I'm really worried this could be a very bad sign but I'm hoping its not that serious. Can you give me any advice or tips to help me figure out what is going on? I would really appreciate it! (Not to mention its good kharma =))

 

When was your last tune up?
Check the Plugs and Wires etc.
This would be a good place to start.
Even though mine has low miles, replacing the aged plugs and wires cleared up this issue on my Merc.