22 
TROUBLESHOOTING
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Engine - starts hard |
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Engine - does not start |
| Cause | Remedy | ||
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Engine | Fuel at |
| No fuel at | Fuel strainer clogged | Clean |
Cranks | carburetor |
| carburetor | Fuel line clogged | Clean |
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| Carburetor | See your ECHO dealer |
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| Fuel at |
| No fuel at | Carburetor | See your ECHO dealer |
| cylinder |
| cylinder |
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| Muffler wet | Fuel Mixture is too rich | Open choke |
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| with fuel |
| Clean/replace air filter |
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| Adjust carburetor |
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| See your ECHO dealer |
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| Spark at end |
| No spark | Stop switch off | Turn switch on |
| of plug wire |
| at end of | Electrical problem | See your ECHO dealer |
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| plug wire |
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| Spark at plug |
| No spark | Spark gap incorrect | Adjust 0.65mm (0.026in.) |
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| at plug | Covered with carbon | Clean or replace |
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| Fouled with fuel | Clean or replace |
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| Spark plug defective | Replace plug |
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Engine |
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| Internal engine problem | See your ECHO dealer |
does not |
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crank |
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Engine | Dies or accelerates poorly | Air filter dirty | Clean or replace | ||
runs |
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| Fuel filter dirty | Replace |
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| Fuel vent plugged | Replace |
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| Spark plug | Clean and adjust/replace |
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| Carburetor | Adjust |
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| Cooling system plugged | Clean |
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| Spark arrestor screen plugged | Clean |
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Engine | Blower does not work, |
| Blower pipe clogged, loose, | Unclog | |
runs | is weak or uneven. |
| or damaged. | Tighten | |
properly |
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WARNING 
DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug against cylinder, otherwise serious personal injury may result.