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Re: Idle surging, up and down…
Quote:
Originally Posted by val1gonzales
Could be the choke. Not sure if its vacuum operated or manual. If vacuum operated could be normal due to temperature changes from off to start. If you had a vacuum leak you'd most often get a little backfire pop, hissing from leaking line or a high idle. Try locking down choke lever and see if it still has the same problem.
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Choke is mechanical, and pretty sure it’s not moving.
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1963 C20, small window, long bed
292, 4-speed
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