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International Automotive Technicians Network
Re: 96 Chevy Lumina High Idle
Posted to Technical Discussion Forum on 3/10/2014

[...trimmed text...]

Then you need to fix it.

What does IAC do when TPS raises?

IAC counts are a command. They are not actual. It is where the computer wants the idle to be. Lower numbers are lower idle. Higher numbe... Login to read more.