Power probma in Pointer 2002 City

Good day to all, and thanks for taking the time to read this issue, I have a Poiter 2002 City, which was repaired from the oil pump, it is changed, it is working very well only that on occasions after being detained in a semaforo I try to accelerate to start and do not respond, after several attempts to accelerate and it does not fail as an indication is not followed, it is left to solve it, if you can help me to solve it.

Hello friend, if you have electronic accelerator there, the problem may be, it is best to make it scan to have an idea of ​​the problem tell us how you are doing, greetings.

Give us a little more data, you have electronic accelerator, when it does not react, it does nothing or has to stop etc.