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Old 01-13-2022, 08:57 PM   #2
val1gonzales
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Join Date: Apr 2019
Location: San Antonio
Posts: 116
Re: Idle surging, up and down…

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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