PAS-230 TROUBLESHOOTING
© 04/2013 ECHO Inc.
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TROUBLESHOOTING
 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.
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check  Status  Cause  Remedy 
Engine cranks - 
starts hard/ 
doesn’t start 
Fuel at carburetor No fuel at carburetor
Fuel strainer clogged
Fuel line clogged 
Carburetor 
Clean or replace
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/replace air filter 
Adjust carburetor 
See your Echo dealer 
Spark at end of 
plug wire
No spark
Stop switch off 
Electrical problem
Interlock switch
Turn switch to ON 
See your Echo dealer 
See your Echo dealer 
Spark at plug No spark
Spark gap incorrect 
Covered with carbon 
Fouled with fuel
Plug defective
Adjust to .65mm (0.026 in.)
Clean or replace 
Clean or replace 
Replace plug 
Engine runs, 
but dies or 
does not 
accelerate 
properly 
Air filter  Air filter dirty Normal wear  Clean or replace 
Fuel filter  Fuel filter dirty
Contaminants/residues 
in fuel 
Replace 
Fuel vent Fuel vent plugged 
Contaminants/residues 
in fuel 
Clean or replace 
Spark Plug  Plug dirty/worn Normal wear  Clean and adjust or replace 
Carburetor Improper adjustment Vibration Adjust 
Cooling System 
Cooling system 
dirty/plugged 
Extended operation in 
dirty/dusty locations
Clean 
Spark Arrestor 
Screen 
Spark arrestor screen 
plugged 
Normal wear  Replace 
Engine does 
not crank 
N/A  N/A  Internal engine problem  See your Echo dealer