trickydik_69
Member
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bazeng said:To control the stock idle stepper, you need 4 outputs.
V500 / v400 / Autronic / Motec are some of the few.
As for your idle problems, which valve are you using exactly?
Mitsiman said:I agree the ford unit is probably one of the best external ones. The other one you can use which I have used a lot is the Hyundai Excell Bosch unit off the 1.5 SOHC / DOHC engines. Its a 3 wire BAC valve, which the EMS can use, and its a little more responsive than a normal 2 wire BAC valve. Takes a little more to setup but this is the one we use on a lot of cars if we have to use a BAC valve.