Question about Echo CS400 18" Chain Saw
Fuel filter is usually on the end of the "fuel finder" hose inside the tank. The tank vent is USUALLY a small hole in the tank cap.
OFTEN these problems are caused by the diaphram in the fuel pump going bad, or the check valves if it has sat with fuel in it. The diaphram is in the carbureator and works from the vacuum pulses . The check valves are tiny flappers. If you have the problem, a carb rebuild kit is the fix.
Posted on Aug 07, 2010
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Posted on Jan 02, 2017
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