Echo CS-355T Instruction Manual - Troubleshooting
30
CS-361P
TROUBLESHOOTING
WARNING
Fuel vapors are extremely flammable and
maycausefireand/orexplosion.Nevertest
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
•Fuelfilterclogged
•Cleanorreplace
•Fuellineclogged
•Clean
•Carburetor
•AskyourECHOdealer
Fuel at
cylinder
No fuel at
cylinder
•Carburetor
•AskyourECHOdealer
Muffler wet with
fuel
•Fuelmixtureistoorich
•Openchoke
•Clean/replaceairfilter
•Adjustcarburetor
•AskyourECHOdealer
Spark at end
of plug wire
No spark at end
of plug wire
•Ignitionswitchoff
•Turnswitchon
•Electricalproblem
•AskyourECHOdealer
Spark at plug
No spark at plug •Sparkgapincorrect
•Adjust0.65mm(0.026in.)
•Coveredwithcarbon
•Cleanorreplace
•Fouledwithfuel
•Cleanorreplace
•Sparkplugdefective
•Replaceplug
Engine
does not
crank
•Internalengineproblem
•AskyourECHOdealer
Engine
runs
Dies or accelerates poorly
•Airfilterdirty
•Cleanorreplace
•Fuelfilterdirty
•Cleanorreplace
•Fuelventblocked
•Clean
•Sparkplug
•Cleanandadjust/replace
•Carburetor
•Adjust
•Coolingsystemblocked
•Clean
•Exhaustport/spark
arrestor screen blocked
•Clean