Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

QJet High Idle wont kick down

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Mudsport96:
Did the vacuum line for the hot air choke pop loose? Maybe the bimetal spring popped off the choke actuator in the housing.

Joed1191:
I double checked the vacuum ports and lines to make sure they were all hooked up and they are good. i will check the choke spring. Can someone explain the high idle cam and choke mechanism (in layman's terms). I push down on the high idle cam linkage and the choke plate opens and throttle plate returns to the idle spring. I open the throttle plate and the choke closes and the throttle plate wont return to the idle screw

Mudsport96:
https://m.youtube.com/watch?v=qmFCh8LhRrU
A vids on fast idle cam

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