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Old 10-11-2021, 06:48 PM   #8
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Join Date: Aug 2018
Location: Woodland Wa
Posts: 1,170
Originally Posted by jpc763 View Post
As I said, it starts up a little rough but settles in.

Is this what I need?

HFS (R) Carburetor Carb Valve Fuel Pump Pressure & Vacuum Tester Gauge Test Kit
Yes that is perfect....

So a rough or lumpy or hunting idle that smooths out at higher RPM is an indication of a vacuum leak.
But once you have the vacuum gauge I will tell you how to connect it and do the test correctly and we should know if you have a vacuum leak.
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