idlecontrol

streetknight · Post by **streetknight** » Fri Jan 13, 2006 9:34 am

how would i go about controlling idle with ms? i know that on bmw e30's its controled by the motroc, but if i am controling fuel how would i go around it.?

natesully · Post by **natesully** » Fri Jan 13, 2006 10:09 am

If you are doing fuel only, let the stock computer take care of it. Else, figure out what kind of valve it is (PWM variable idle, stepper motor variable idle, on/off, or some BMW crazy valve) and we can go from there.

streetknight · Post by **streetknight** » Fri Jan 13, 2006 2:20 pm

bmw iac valve like this http://atlas.walagata.com/w/russian/Before/engine2.JPG

mops · Post by **mops** » Tue Jan 17, 2006 6:46 pm

it's a 3 wire PWM IAC valve. works really, well, but you need to construct circuit to drive ir correcntly. once you have that you can very precisely control idle air across wery wide range

streetknight · Post by **streetknight** » Wed Jan 18, 2006 3:14 am

i think mines is 2 wire set up. ill check tonight. what board would i have to make can u give me a site or a starting point?