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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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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.
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© 08/2013 ECHO Inc.