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PPT-2620
TROUBLESHOOTING
X7507820600
47
© 2/2017 ECHO Inc.
ENGLISH
TROUBLESHOOTING
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem
Check
Status
Cause
Remedy
Engine
starts
hard
or
Engine
does not
start
Fuel at
carburetor
No fuel at
carburetor
Fuel strainer or
fuel line
obstructed
Clean or replace
See your Echo
dealer
Fuel at
cylinder
No fuel at
cylinder
Carburetor
See your Echo
dealer
Muffler wet
with fuel
Fuel mixture
too rich
OPEN choke
Clean or replace
air filter
Adjust carburetor
See your Echo
dealer
Spark at
end of plug
wire
No spark
Stop switch
OFF - Electrical
problem - Inter-
lock switch
Turn switch to ON
See your Echo
dealer
Spark at
plug
No spark
Incorrect gap -
Covered with
carbon - Fouled
with fuel - Plug
defective
Adjust to 0.65mm
(0.026 in.)
Clean or replace
plug
Engine
runs, but
dies
or
Engine
does not
acceler-
ate
properly
Air filter
Air filter dirty
Normal wear
Clean or replace
Fuel filter
Fuel filter dirty
Contaminants
or residue in
fuel
Replace filter or
replace fuel
Fuel vent
Fuel vent
plugged
Contaminated
fuel
Clean or replace
Spark plug
Plug dirty or
worn
Normal wear
Clean and adjust
or replace
Carburetor
Improper
adjustment
Vibration
Adjust
Cooling
system
Cooling
system dirty
or plugged
Extended oper-
ation in dirty or
dusty locations
Clean
Spark arres-
tor screen
Spark arres-
tor screen
plugged
Normal wear
Replace