Choke Isn’t Opening on Autolite 1100

The heat is pulled up through a vacuum passage inside the choke housing. The vacuum is supplied from the bottom of the carburetor via the intake, then travels to the choke housing. You should be able to blow air through into the bottom hole and hear it come through to the choke housing.

Possible causes:

  • the hole is plugged up at the bottom with carbon.
Updated on 04/27/2022

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