PB-7910 H/T
TROUBLESHOOTING
X7501201800
47
© 10/23 ECHO Incorporated
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
arrester
screen
Spark
arrester
screen
plugged
Normal wear
Replace
Engine
does not
crank
N/A
Internal engine
problem
See your dealer
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem
Check
Status
Cause
Remedy