Small Engine Troubleshooting Problems? Ask a Mechanic Now.
The spill valve/unloader , is not free . It is sticking in the housing. You will need to locate the vave and disassemble and grease up with a light grease, the reinstall. Owners manual /parts list will show the valve. I can find it for you if you have the full model number of the unit, so i can look it up.
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