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Vanessa JonesJul 26, 2025
Why Troy-Bilt TB425CS Trimmer engine will not start?
- MMrs. Lisa Bruce DDSJul 26, 2025
Several factors can prevent your Troy-Bilt Trimmer engine from starting. It could be due to an empty fuel tank, which requires filling with new fuel. Insufficient priming might be the issue; try fully and slowly pressing the primer bulb 10 times. Old fuel can also be a culprit, necessitating draining the tank and adding fresh fuel. A fouled spark plug may need cleaning or replacement, and a plugged spark arrestor might require similar attention. Finally, check the Cold Weather Start Lever position relative to the outside temperature: ensure it's OPEN/RUN above 40°F and CLOSED/START below 40°F, following starting instructions accordingly.
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