2002 Kia Spectra Engine problems

While driving the check engine light appeared on the dashboard. The vehicle surges forward while applying the brakes the vehicle will continue speed. The driver was able to drive it to the dealer for inspection. The mechanic informed the driver that the vehicle was placed on a diagnostic machine the problem cannot be duplicated the problem. Please fill in additional information.

At the end of july 2004 my kia spectra began to act as if the car was choking and not going to start after I turned on the ignition of the car. I noticed that the car only did this after it had sat for a while (like over night). I took the car to the dealership where I had purchased it a year earlier and they said that there was not any thing wrong with the car it was acting normal. If that is the case then why is it just now starting to act like this and it does not do it all the time. If you ask me I think they...

While driving at any speed vehicle shutdown forcing consumer to pull out of the road. Dealer replaced twice the battery,but problem still recurring. *Ak

The vehicle ran rough, idled rough at stop lights, and had a hard start in the morning. In a few weeks of purchase, two spark plugs were replaced. The dealer stated the rough running was normal. Scc *jb

Power is down if radio and air conditioner is on. Vehicle will intermittently restart if stalled. Dealer is aware of problem. Service technician at dealership stated that engine may possibly not be strong enough for vehicle. *Akwhen on an incline, the vehicle will roll forward even though the clutch and the gas had been engaged. The check engine light does not illuminate to give warning of a failure. *Jg

My driver's window and passenger's right front window has a air leak and water will come in, and engine runs very rough. *Ak