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TROUBLESHOOTING
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem
Check
Air filter
Fuel filter
Engine
runs, but
Fuel vent
dies
or
Spark plug
Engine
Carburetor
does not
acceler-
ate
Cooling
properly
system
Spark
arrestor
screen
Engine
does not
crank
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.
54
Status
Air filter
dirty
Fuel filter
dirty
Fuel vent
plugged
Plug dirty or
worn
Improper
adjustment
Cooling
system dirty
or plugged
Spark
arrestor
screen
plugged
N/A
Cause
Normal wear
Contaminants
or residue in
fuel
Contaminated
fuel
Normal wear
Vibration
Extended oper-
ation in dirty or
dusty locations
Normal wear
Internal engine
problem
© 09/19 ECHO Incorporated
402S
Remedy
Clean or replace
Replace filter or
replace fuel
Clean or replace
Clean and adjust
or replace
Adjust
Clean
Replace
See your dealer
X7503256302
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