Join Date: Nov 2000
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Re: Hello to all and a Vacuum question
There is a solenoid / vacuum pot (solvac) that controls idle speed on some jeeps with bbd's. See if the throttle stop solvac is moving while this occurs. Intake manifold or other joints in the intake could have vacuum leaks. Also, the idle mixture may not be adjusted properly. If emmissions are not a concern, I would unplug the electrical harness from the stepper motor on the back of the carburetor and set the idle mixture with the screws on the front of the baseplate. Use a vacuum gauge to set the best lean idle.