Join Date: Nov 2001
Location: North Central Illinois
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Re: weber accelerator pump
First , don't use compressed air , back flush it with carb cleaner to wash out any particles so they will show up in the float bowl . Then, stop playing with the accelerator pump because the dirt problem is in the primary idle jet . If it's plugged at all , that hesitation will show up there . If you can't get any dirt to show up from the accelerator pump and the idle jet is clean , get a timing light out and verify that the vacuum advance is working . All three of these things together or alone will cause that problem , they work as a system .....