Hello everyone. I am new to posting to this forum. I will give you a little background on the minor turned major problem I have been having with my 2009 Focus SE. I have owned the car 1 year. I purchased it used with 26K miles on it. After about a couple of weeks driving it around I noticed a rough idle at stops (in drive at a red light). I thought it might be poor quality gasoline so, I continued to drive the car. Because it still had the Original 36K warranty, I took it back to the dealer at about 34K. Because there was never any dash warning lights, the dealership was unable to find the problem. They said it might be the computer. After the dealership contacted Dearborn, they replaced the computer but, the problem continued. They said that since it had no warning lights, they could not properly diagnose the problem. I now have 51K miles on the car. I still get around 33 MPG. Three days ago, while driving through city streets, The wrench light on the dash came on. I completely lost all acceleration and had to pull over and stop. I placed the car in park. The engine was still idling at around 1100 RPM I pressed on the accelerator and nothing happened. The engine RPM did not change. Yesterday, it happened again. I learned that if, I turned off the ignition and then started the car, it went back into a drivable condition. On the way home from work today, it happened to me 5 times on the freeway. It was around 98 degrees outside at the time. Also, about the third time this happened, the CEL came on and stayed on. My brother is coming over on Sunday with his code reader to check it out. From some of the other posts, it seems that it might be the Throttle Body or Idle Control has gone bad. I purchased the 100K mile extended warranty at the time of purchase. The problem is it has a $200.00 deductible. I am trying to fix this myself. When I find out what the code is, I will post it to this Forum for further assistance. Is there anyone who can help with advice, in the mean time?