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| TROUBLESHOOTING |
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| TROUBLESHOOTING |
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| ENGINE PROBLEM TROUBLESHOOTING CHART |
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| Problem | Check | Status | Cause | Remedy |
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| Fuel strainer clogged | Clean or replace |
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| Fuel at carburetor | No fuel at carburetor | Fuel line clogged | Clean or replace |
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| Carburetor | See your Echo dealer |
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| No fuel at cylinder | Carburetor | See your Echo dealer |
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| Fuel at cylinder |
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| Open choke |
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| Muffler wet with fuel | Fuel Mixture too rich | Clean/replace air filter |
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| Engine cranks - |
| Adjust carburetor |
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| starts hard/ |
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| See your Echo dealer |
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| doesn’t start |
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| Spark at end of |
| Stop switch off | Turn switch to ON |
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| No spark | Electrical problem | See your Echo dealer |
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| plug wire |
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| Interlock switch | See your Echo dealer |
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| Spark gap incorrect | Adjust to .65mm (0.026 in.) |
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| Spark at plug | No spark | Covered with carbon | Clean or replace |
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| Fouled with fuel | Clean or replace |
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| Plug defective | Replace plug |
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| Air filter | Air filter dirty | Normal wear | Clean or replace |
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| Fuel filter | Fuel filter dirty | Contaminants/residues | Replace |
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| in fuel |
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| Engine runs, | Fuel vent | Fuel vent plugged | Contaminants/residues | Clean or replace |
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| in fuel |
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| but dies or |
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| does not | Spark Plug | Plug dirty/worn | Normal wear | Clean and adjust or replace |
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| accelerate |
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| Carburetor | Improper adjustment | Vibration | Adjust |
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| properly |
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| Cooling System | Cooling system | Extended operation in | Clean |
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| dirty/plugged | dirty/dusty locations |
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| Spark Arrestor | Spark arrestor screen | Normal wear | Replace |
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| Screen | plugged |
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| Engine does | N/A | N/A | Internal engine problem | See your Echo dealer |
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| not crank |
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| Engine runs, | Blower pipe | Pipe clogged | Unclog |
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| blower doesn't |
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| Pipe loose | Vibration | Tighten |
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| work or is |
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| Pipe damaged | Wear/Misuse | Replace |
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| weak/uneven |
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Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result.
X7531125002 | 29 |
© 03/2013 ECHO Inc.
