Echo CS-2511T Instruction Manual - Troubleshooting

30

CS-303T

TROUBLESHOOTING

   WARNING

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.

Problem

Engine

— hard to start

Cause

Remedy

— 

does not start

Engine 

cranks

Fuel at  

carburetor

No fuel at  

carburetor

• Fuel filter clogged

• Clean or replace

• Fuel line clogged

• Clean

• Carburetor

• Ask your ECHO dealer

Fuel at  

cylinder

No fuel at  

cylinder

• Carburetor

• Ask your ECHO dealer

Muffler wet with 

fuel 

• Fuel mixture is too rich

• Open choke

• Clean / replace air filter

• Adjust carburetor

• Ask your ECHO dealer

Spark at end 

of plug wire

No spark at end 

of plug wire

• Ignition switch off

• Turn switch on

• Electrical problem

• Ask your ECHO dealer

Spark at plug

No spark at plug

• Spark gap incorrect

• Adjust 0.65 mm (0.026 in.)

• Covered with carbon

• Clean or replace

• Fouled with fuel

• Clean or replace

• Spark plug defective

• Replace plug

Engine 

does not 

crank

• Internal engine problem • Ask your ECHO dealer

Engine 

runs

Dies or accelerates poorly

• Air filter dirty

• Clean or replace

• Fuel filter dirty

• Clean or replace

• Fuel vent blocked

• Clean

• Spark plug

• Clean and adjust / replace

• Carburetor

• Adjust

• Cooling system blocked • Clean

• Exhaust port / spark 

arrestor screen blocked

• Clean