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Problem
Engine - starts hard
Engine - does not start Cause Remedy
Engine
Cranks
Fuel at
carburetor
No fuel at
carburetor
Fuel strainer clogged
Fuel line clogged
Carburetor
Clean
Clean
See your ECHO dealer
Fuel at
cylinder
No fuel at
cylinder
Carburetor See your ECHO dealer
Muffler wet
with fuel
Fuel Mixture is too rich Open choke
Clean/replace air filter
Adjust carburetor
See your ECHO dealer
Spark at end
of plug wire
No spark
at end of
plug wire
Stop switch off
Electrical problem
Interlock switch
Turn switch on
See your ECHO dealer
See your ECHO dealer
Spark at plug No spark
at plug
Spark gap incorrect
Covered with carbon
Fouled with fuel
Spark plug defective
Adjust 0.65mm (0.026in.)
Clean or replace
Clean or replace
Replace plug
Engine
does not
crank
Vaccum tube switch on
Blower housing not depressed
Internal engine problem
Correctly install vacuum
tube
Tighten fan case housing
cover
See your ECHO dealer
Engine
runs
Dies or accelerates poorly Air filter dirty
Fuel filter dirty
Fuel vent plugged
Spark plug
Carburetor
Cooling system plugged
Spark arrestor screen plugged
Clean or replace
Replace
Replace
Clean and adjust/replace
Adjust
Clean
Clean
Engine
runs
properly
Blower does not work,
is weak or uneven.
Unit does not vacuum
Blower pipe clogged, loose,
or damaged.
Vacuum tube clogged.
Debris bag full.
Unclog
Tighten
Replace
Empty
TROUBLESHOOTING
WARNING DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open
spark plug opening, otherwise serious personal injury may result.