How Does Electric Choke Work On Weber Carb

With the engine cold loosen the screws in the cover.

How does electric choke work on weber carb.

The automatic choke is the main component that regulates the air fuel mixture while the engine is being cranked. Automatic choke or simply an auto choke is a simple choke which is operated electrically. If the choke stays on too long or does not come all the way off then turn the choke housing clockwise until the choke just begins to open and stop and tighten the screws. When using any of the other american autowire wiring kits such as a classic update power plus highway or builder series you simply need to take any ignition fused 12 volt feed use about a 10 amp fused and connect it to your electric choke assembly.

If not clean the carburetor and work the butterfly with your hand to loosen it up. These used a 12 volt heating element much like a low powered toaster in place of hot air. Additional weber carb notes. Watch the full video for more.

In the mid 1970s electric choke springs were introduced. When i first installed the edelbrock 1406 carb with electric choke i had problems with running way too rich not opening the secondaries and the choke staying on way too long. The fast idle speed screw is located behind the choke itself and can be adjusted to increase or decrease the fast idle rpm. As the engine warms up the automatic choke adjusts to the temperature change to regulate the fuel air mixture to the proper ratio.

The choke is adjusted by loosening the three screws on its ring then rotating the choke clockwise for less choke and counter clockwise for more choke. Over time the automatic choke can become out of adjustment and will. Subscribe for more of such videos. If the choke does not close enough turn the choke housing counter clockwise until the choke is just closed.