Hello friends, I have a problem with a 1999 Ford Windstar, it turns out that a few days ago it began to go out when I go, normally it does when I stop tread The coil or transformer and it is not seen to make false contact and even sometimes the idle begins to lower and climb from 600 to 450 rpm in drive and in parking from 1000 to 600, I tried the idle valve disassembling it and the enough one works because it contracts and returns to its normal position, not and found empty leaks because and reviewed the empty pipes Well, the clearing and diaphragm opens and closes and by connecting the void is regulated by accelerating, lastly suspected of the EGR or caudlimetro valve sensor because check the value with a multimeter according to a video on YouTube that shows you how to do it and notice that it has a varinte Flower or EGR sensor because I know that if this fault does not suddenly turn Fora do motor em execução, mas afeta o consumo e, às vezes, a estabilidade da marcha lenta, por favor, preciso do seu apoio para receber uma orientação e comentários, agradecimentos e saudações.