Sensor /valve below TPS?

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dpgnvq

Sensor /valve below TPS?

Post by dpgnvq »

Hi
What is the light grey sensor/ valve directly below the TPS with ABC
marked on it? (one pipe runs from it to the intake trunking)What does
it do?
Dick
ciper_

Sensor /valve below TPS?

Post by ciper_ »

IAC Idle Air Controller.

It has a temp spring controlled by the coolant temp and also a mechanical
valve controlled by a servo. That is how the car can dynamically controll
idle.
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