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I'm new to the forum, and chainsaws in general. Trying to tune up an Echo CS301 that was given to me recently, but hit a road block. With all the covers off, I still can't get to the fuel tank vent. The little guy runs for a while, then does when I let off the throttle. There's also a sucking sound when I open the fuel tank, like it's under a vacuum, so I think I'm on the right track.Any help would be greatly appreciated.Thanks, guys.
I'm new to the forum, and chainsaws in general. Trying to tune up an Echo CS301 that was given to me recently, but hit a road block. With all the covers off, I still can't get to the fuel tank vent. The little guy runs for a while, then does when I let off the throttle. There's also a sucking sound when I open the fuel tank, like it's under a vacuum, so I think I'm on the right track.
Any help would be greatly appreciated.
Thanks, guys.
