Troubleshooting - Echo CS-355T Operator's Manual

Problem
Engine — hard to start
does not start
—
Engine Fuel at
cranks carburetor
Fuel at
cylinder
Spark at end
of plug wire
Spark at plug
Engine
does not
crank
Engine Dies or accelerates poorly
runs
CS-355T

TROUBLESHOOTING

No fuel at • Fuel fi lter clogged
carburetor
• Fuel line clogged
• Carburetor
No fuel at • Carburetor
cylinder
Muffl er wet with • Fuel mixture is too rich
fuel
No spark at end • Ignition switch off
of plug wire
• Electrical problem
No spark at plug • Spark gap incorrect
• Covered with carbon
• Fouled with fuel
• Spark plug defective
• Internal engine problem
• Air fi lter dirty
• Fuel fi lter dirty
• Fuel vent blocked
• Spark plug
• Carburetor
• Cooling system blocked
• Exhaust port / spark
arrestor screen blocked
30
Cause
• Clean or replace
• Clean
• Ask your ECHO dealer
• Ask your ECHO dealer
• Open choke
• Clean / replace air fi lter
• Adjust carburetor
• Ask your ECHO dealer
• Turn switch on
• Ask your ECHO dealer
• Adjust 0.65 mm (0.026 in.)
• Clean or replace
• Clean or replace
• Replace plug
• Ask your ECHO dealer
• Clean or replace
• Clean or replace
• Clean
• Clean and adjust / replace
• Adjust
• Clean
• Clean
WARNING
Fuel vapors are extremely fl ammable and
may cause fi re and/or explosion. Never test
for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious
personal injury may result.
Remedy