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I finally found out where the IAC (Idle Air Control) valve is at on my S10.

Does anyone have a pic of the location of an IAC valve on a 2000 4.3L S10? My cold idle is around 1000 and I would think it's either a vacuum leak or an IAC valve. I know it's supposed to be on the throttle body but just asking. I had an engine flush recently and a thermostat replaced as well...

Thanks to everyone for the responses, I'm sure I'll make the wrong decision regardless of the fine advice I've been given.

It's that time of year and I was wanting opinions on antifreezes that claim to mix with any make, model or color of coolant. Both my vehicles require Dex Cool which some don't like. I also read about some being concerned about coolant PH levels but when you ask auto parts stores about...