Quote:
Originally Posted by duck9191
So I loosened the check valve on the output side and it didn't seem to help, most of the fuel goes back into the bowl. So I checked the check valve in the accelerater pump bowl and it looked good. I flushed it out and put it back together and it's still back feeding into the bowl. Maybe there is a machining defect or something.
As you can see, if you quickly fully depress the plunger it will shoot gas out the output but it's still back feeding.
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Can you check both check valve to see if they hve ball then tiny spring then the orifice?
That is both inside plunger and in the bowl.
Also you have a spring under the plunger to base?