Echo PB-2400 User Manual

Muffler wet
with fuel

Engine
does not
crank

No fuel at
cylinder

Spark at
end of
plug wire

No spark at end
of plug wire

Spark at
plug

No spark at plug

Engine
runs

Dies or
Accelerates poorly

Engine
Cranks

Fuel at
carburetor

No fuel at
carburetor

See your Echo dealer

Open choke
Clean/replace air filter
Adjust carburetor
See your Echo dealer

Ignition  switch off
Electrical problem
Interlock switch

Internal engine problem

Fuel mixture is too rich

Carburetor

Air filter dirty
Fuel filter dirty
Fuel vent plugged
Spark plug
Carburetor
Cooling system plugged
Exhaust port/spark
 arrestor screen plugged

Clean or replace
Replace
Replace
Clean and adjust/replace
Adjust
Clean
Clean

See your Echo dealer

Fuel strainer clogged
Fuel line clogged
Carburetor

Turn switch on
See your Echo dealer
See your Echo dealer

Adjust. 0.65 mm (0.026 in.)
Clean or replace
Clean or replace
Replace plug

Spark gap incorrect
Covered with carbon
Fouled with fuel
Spark plug defective

Clean
Clean
See your Echo dealer

Problem
Engine

starts hard
does not start

Engine
runs
properly

Blower does not work,
is weak or uneven

Blower Pipe clogged,
loose, or damaged

Unclog
Tighten
Replace

Fuel at
cylinder