IAC question?
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From: toccoa, GA
Car: 1968 chevy truck, 85 z/28
Engine: 355, 355
Transmission: 700r4, 350turbo
IAC question?
can someone explain the theory of operation of a GM IAC stepper motor for a 91 tpi engine. what does the computer look at to calculate the iac adjustment? ect, iat, vss, tps? how does it work at speed as well as at idle?
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