Ford Focus 2.0 Year 2000 Unstable Sale

Hello, I got a Ford Focus 2.0 gasoline of the year 2000.
The failure you have is that when you circulate with it and you put dead point, the alone does not fall from 2000 rpm after a while climb to 3000RPM without stepping on the accelerator.

Tests that are done, look that you have no air shots by the sleeves.
I have changed the butterfly sensor remains the same.

The failure only occurs when you are circulating with the car.

In the standing it is only observed that if you hit an accelerated when the pedal releases the release to almost 0 for a moment but does not stop the vehicle.

Will it be the baipas that has below in admission?

I have the proof of changing the butterfly sensor because I had one in the workshop, but it is not a plan to change pieces crazy. If you think of something you are not shy . all the best.

Does it have a flow? It has happened to me with several Fords where the flow is greatly affects both in the start and in the acceleration, if it has it clean it, if not the relative valve of that vehicle works high and low, if it is the one that moves inside turning and not the typical IAC.

Thanks for your answer, this morning I have removed the battery and when the car was tested and the car has already worked well. I think he has managed to clean the butterfly sensor. Of all if the client returns, I will change the Relay valve, because everything indicates that this is the failure. Talking to mechanical friends, I told me that it is typical Ford failure.

If it is a lot of can in Ford that valve, well tell us to get out of doubt.