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by MrCS
Fri Aug 23, 2013 11:26 pm
Forum: Tuning Fuel and Air
Topic: FIDLE PWM signal noise
Replies: 1
Views: 235

FIDLE PWM signal noise

Hi,
I am running MS-2 on a V3.0 board with 2.892 FW. I am using a bosch 3-wire fast idle valve. I've got a Glen's garage-type circuit driving the valve. The warm- up curve does modulate the valve, but at every duty cycle one side of the valve has way more voltage. The closed side gets 0-2 volts rms ...