24
EnginE PrOBLEM TrOUBLESHOOTing CHarT
Problem | Check | Status | Cause | remedy | |
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| Fuel at carburetor | No fuel at carburetor | Fuel strainer clogged | Clean or replace | |
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| Fuel line clogged | Clean or replace | |
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| Carburetor | See your Echo dealer | |
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| Fuel at cylinder | No fuel at cylinder | Carburetor | See your Echo dealer | |
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Engine |
| Muffler wet with fuel | Fuel Mixture too rich | Open choke | |
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| Clean/replace air filter | ||
cranks - |
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| Adjust carburetor | |
starts hard/ |
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| See your Echo dealer | |
doesn't |
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Spark at end | No spark | Stop switch off | Turn switch to ON | ||
start | |||||
| of plug wire |
| Electrical problem | See your Echo dealer | |
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| Interlock switch | See your Echo dealer | |
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| Spark at plug | No spark | Spark gap incorrect | Adjust to .65mm (0.026 in.) | |
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| 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 in | Replace | |
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| fuel |
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Engine runs, | Fuel vent | Fuel vent plugged | Contaminants/residues in | Clean or replace | |
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| fuel |
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but dies or |
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Spark Plug | Plug dirty/worn | Normal wear | Clean and adjust or replace | ||
does not | |||||
accelerate |
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Carburetor | Improper adjustment | Vibration | Adjust | ||
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 | Normal wear | Replace | |
| Screen | screen plugged |
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Engine does | N/A | N/A | Internal engine problem | See your Echo dealer | |
not crank |
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DANGER
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.