I am new to HP tuners working on a LS sea into a 1950chevy pickup. The motor is a 4.7 out of a Chevy pickup. I have everything hooked u and running. The IAC is acting up. When I start the truck the motor rams up to 2800 RPM. I have checked for vacume leaks and found nothing. Currently using a stock tune with security turned off and all HO2sDTC turned off. Any hel is appreciated.