Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Sudden extreme rich condition

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MP81:
That probably has been the cause of the idle issues all along. They went away in the summer, since it was warm out, the coil probably worked properly.

Maybe it's how it is designed to work, but if I were to pull, manually on the choke blade linkage, it would stay down until I opened the throttle blades.

So, replacing the choke should likely solve the rich issue as well as the funky high idle and slow rev drop?

77cruiser:
How tight do you have the choke set? I set mine so they just close at 65-70 deg.

MP81:
No idea - I've never adjusted it.

429bbf:
couple of things . do you have good voltage at the chock with key on or running ?also is the car running in the photo? if it is your pulloff is bad fwiw

MP81:
I did check for voltage at the choke, and if I recall correctly, I did have it.

And no, I took the picture just after turning the car off.

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