Unit starts but will not accelerate / no power
1 - Air Filter - Inspect /replace the air filter.
2 - Spark Arrestor Screen - All ECHO engines are equipped with a spark arrestor screen located in the muffler. If this screen becomes clogged with carbon deposits, the engine may not accelerate properly.
To remove the spark arrestor screen:
1. Disconnect the spark plug lead from the spark plug.
2. Remove the screws holding the cylinder/muffler cover, and remove the cover.
3. Remove the screws holding the exhaust guide to the muffler body, the gasket and the screen.
Inspect the spark arrestor screen. If the screen is clogged or partially clogged, it should be replaced.
3 - Spark Plug - Replace the spark plug.
