Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Idle circuit can't seem to run engine

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77cruiser:
Did you take the idle tubes out? They could be plugged, hard to tell without taking them out.

mother$hip89:
No, I haven't. Only tested by blowing compressed air through. If I stuffed a small tube brush down the idle tube would it clean it or am I better off straight up taking them out. Also, is it unlikely then that the engine would need more than the idle circuit gives it when it's not blocked.

mother$hip89:
I took out the idle tubes and cleaned everything out and that was it; I can undo the fast idle screw all the way now. Thanks.

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